|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Septate fibres present
; Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma vasicentric
; Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
| Axial parenchyma lozenge-aliform
; Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma vasicentric
; Axial parenchyma aliform
| Axial parenchyma lozenge-aliform
| non applicable | Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| Axial parenchyma bands more than three cells wide
| Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| <= 4 / mm
; 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
; Rays and / or axial elements irregularly storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
; Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
; Axial parenchyma vasicentric
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and / or mucilage cells associated with ray parenchyma
; Oil and / or mucilage cells associated with axial parenchyma
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
; 20 - 40 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies present
| Silica bodies in axial parenchyma cells
|
Wood diffuse-porous
| Other vessel arangement
| Vessels exclusively solitary (90% or more)
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse
| Axial parenchyma scanty paratracheal
; Axial parenchyma unilateral paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Vessels exclusively solitary (90% or more)
| Simple perforation plates
| non applicable | 40 - 100 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | Axial parenchyma in marginal or in seemingly marginal bands
| Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells present
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Radial canals
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
; Axial parenchyma vasicentric
| non applicable | non applicable | Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Present
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse-in-aggregates
| Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of two distinct sizes
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| Low rays storied, high rays non-storied.
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| non applicable | Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Present
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| non applicable | Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Present
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse
| Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
; >= 12 /mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in procumbent ray cells
; Prismatic crystals in radial alignment in procumbent ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Vessels in diagonal and / or radial pattern
| Vessels exclusively solitary (90% or more)
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
| Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 20 - 40 vessels per square millimetre
| Non-septate fibres present
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma scanty paratracheal
; Axial parenchyma vasicentric
| non applicable | Axial parenchyma in marginal or in seemingly marginal bands
| Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse
; Axial parenchyma diffuse-in-aggregates
| Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| >= 12 /mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered upright and / or square ray cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood semi-ring-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse
| Axial parenchyma vasicentric
| non applicable | Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse
| Axial parenchyma vasicentric
| non applicable | non applicable | Rays exclusively uniseriate
; Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse-in-aggregates
| Axial parenchyma vasicentric
| non applicable | Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height > 1 mm
| Rays of one size
| Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells present
| Tile cells absent
| <= 4 / mm
; 4-12 / mm
| Low rays storied, high rays non-storied.
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse-in-aggregates
| Axial parenchyma vasicentric
| non applicable | Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells present
| Tile cells absent
| <= 4 / mm
| Low rays storied, high rays non-storied.
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma vasicentric
; Axial parenchyma aliform
| Axial parenchyma lozenge-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
; Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Vessels in diagonal and / or radial pattern
| Other vessel groupings
| Simple perforation plates
| non applicable | 20 - 40 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse
; Axial parenchyma diffuse-in-aggregates
| non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma confluent
| non applicable | Axial parenchyma bands more than three cells wide
; Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| <= 4 / mm
; 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma vasicentric
| non applicable | Axial parenchyma bands more than three cells wide
; Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Axial canals in long tangential lines
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma vasicentric
; Axial parenchyma aliform
| Axial parenchyma lozenge-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Larger rays commonly 4 - to 10 seriate
| Ray height > 1 mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells present
| Tile cells absent
| <= 4 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse-in-aggregates
| non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma reticulate
| Rays exclusively uniseriate
; Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Present
| Absent
| Present
| Prismatic crystals in procumbent ray cells
; Prismatic crystals in radial alignment in procumbent ray cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma reticulate
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma scalariform
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in non-chambered axial parenchyma cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse
; Axial parenchyma diffuse-in-aggregates
| Axial parenchyma vasicentric
; Axial parenchyma aliform
| Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| >= 12 /mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Vessels exclusively solitary (90% or more)
| Scalariform perforation plates
| Scalariform perforation plates with 20 - 40 bars
| <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse
; Axial parenchyma diffuse-in-aggregates
| Axial parenchyma scanty paratracheal
| non applicable | non applicable | Larger rays commonly 4 - to 10 seriate
| Ray height > 1 mm
| Rays of two distinct sizes
| Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells present
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in chambered upright and / or square ray cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma confluent
| non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies present
| Silica bodies in axial parenchyma cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma confluent
| non applicable | Axial parenchyma bands more than three cells wide
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
; Rays and / or axial elements irregularly storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
; Silica bodies in axial parenchyma cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse
| Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
; Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
; Axial parenchyma unilateral paratracheal
| Axial parenchyma lozenge-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma unilateral paratracheal
| Axial parenchyma lozenge-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
; >= 12 /mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Septate fibres present
; Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma vasicentric
; Axial parenchyma aliform
| Axial parenchyma lozenge-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Septate fibres present
; Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse
| Axial parenchyma vasicentric
; Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma bands more than three cells wide
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of two distinct sizes
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Included phloem, diffuse
| Absent
| non applicable | Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
; Silica bodies in axial parenchyma cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
| Ray width 1 to 3 cells
| Ray height > 1 mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
; >= 12 /mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
; Silica bodies in axial parenchyma cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse-in-aggregates
| non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma scalariform
| Larger rays commonly > 10-seriate
| Ray height > 1 mm
| Rays of two distinct sizes
| Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells absent
| Tile cells absent
| <= 4 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
; Non-septate fibres present
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| <= 4 / mm
; 4-12 / mm
| No storied structure
| Oil and / or mucilage cells associated with ray parenchyma
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Vessels exclusively solitary (90% or more)
| Simple perforation plates
| non applicable | 20 - 40 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
| Axial parenchyma diffuse
; Axial parenchyma diffuse-in-aggregates
| non applicable | non applicable | non applicable | Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
; Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Vessels exclusively solitary (90% or more)
| Scalariform perforation plates
| Scalariform perforation plates with <= 10 bars
| 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse
| Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height > 1 mm
| Rays of one size
| Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
; Silica bodies in axial parenchyma cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma reticulate
; Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Vessels exclusively solitary (90% or more)
| Scalariform perforation plates
| Scalariform perforation plates with 10 - 20 bars
| 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse
| Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
; >= 12 /mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered upright and / or square ray cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
| Axial parenchyma diffuse-in-aggregates
| non applicable | non applicable | non applicable | Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
; Scalariform perforation plates
| Scalariform perforation plates with <= 10 bars
| 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse
; Axial parenchyma diffuse-in-aggregates
| Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells present
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in procumbent ray cells
; Prismatic crystals in chambered upright and / or square ray cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma scanty paratracheal
; Axial parenchyma vasicentric
; Axial parenchyma aliform
| Axial parenchyma lozenge-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma confluent
| non applicable | Axial parenchyma bands more than three cells wide
| Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
; Axial parenchyma winged-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
; Scalariform perforation plates
| Scalariform perforation plates with <= 10 bars
| 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | Axial parenchyma bands more than three cells wide
; Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Present
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Larger rays commonly 4 - to 10 seriate
| Ray height > 1 mm
| Rays of one size
| Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells present
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma reticulate
; Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
; Axial parenchyma aliform
| Axial parenchyma lozenge-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and / or mucilage cells associated with ray parenchyma
; Oil and / or mucilage cells associated with axial parenchyma
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Vessels in diagonal and / or radial pattern
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse-in-aggregates
| non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
; Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Septate fibres present
; Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma aliform
| Axial parenchyma lozenge-aliform
| non applicable | Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in chambered upright and / or square ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
; Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
; Axial parenchyma aliform
| Axial parenchyma lozenge-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and / or mucilage cells associated with axial parenchyma
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse-in-aggregates
| non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
; Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
; Silica bodies in axial parenchyma cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Scalariform perforation plates
| Scalariform perforation plates with <= 10 bars
| 5 - 20 vessels per square millimetre
; 20 - 40 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
| Axial parenchyma diffuse
; Axial parenchyma diffuse-in-aggregates
| non applicable | non applicable | non applicable | Ray width 1 to 3 cells
| Ray height > 1 mm
| Rays of one size
| Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
; Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells absent
| Tile cells absent
| >= 12 /mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in chambered upright and / or square ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma vasicentric
; Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse-in-aggregates
| Axial parenchyma vasicentric
| non applicable | non applicable | Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height > 1 mm
| Rays of one size
| Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells present
| Tile cells present
| <= 4 / mm
; 4-12 / mm
| Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and / or mucilage cells associated with ray parenchyma
; Oil and / or mucilage cells associated with axial parenchyma
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma scalariform
| Larger rays commonly 4 - to 10 seriate
| Ray height > 1 mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells absent
| Tile cells absent
| <= 4 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
; Axial parenchyma unilateral paratracheal
| Axial parenchyma lozenge-aliform
; Axial parenchyma winged-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
| Axial parenchyma diffuse-in-aggregates
| non applicable | non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Present
| Absent
| Present
| Prismatic crystals in procumbent ray cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
; Axial parenchyma winged-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
; Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma bands more than three cells wide
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in procumbent ray cells
; Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
; Rays and / or axial elements irregularly storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma vasicentric
; Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
; Axial parenchyma winged-aliform
| non applicable | Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in chambered upright and / or square ray cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
| Absent
| non applicable | Silica bodies present
| Silica bodies in fibres
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma vasicentric
; Axial parenchyma aliform
; Axial parenchyma unilateral paratracheal
| Axial parenchyma lozenge-aliform
| non applicable | Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| Axial parenchyma bands more than three cells wide
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
; Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma reticulate
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| <= 4 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in non-chambered axial parenchyma cells
; Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Banded parenchyma
| non applicable | non applicable | non applicable | Axial parenchyma bands more than three cells wide
; Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma scalariform
| Larger rays commonly > 10-seriate
| Ray height > 1 mm
| Rays of two distinct sizes
| Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells present
| Tile cells absent
| <= 4 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
; Silica bodies in axial parenchyma cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse
| Axial parenchyma aliform
| Axial parenchyma lozenge-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
; Silica bodies in axial parenchyma cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
| Axial parenchyma diffuse
; Axial parenchyma diffuse-in-aggregates
| non applicable | non applicable | non applicable | Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| All ray cells upright and / or square
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
; Scalariform perforation plates
| Scalariform perforation plates with <= 10 bars
| 5 - 20 vessels per square millimetre
| Septate fibres present
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| <= 4 / mm
| No storied structure
| Oil and mucilage cells absent
| Radial canals
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in chambered upright and / or square ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Septate fibres present
; Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma vasicentric
; Axial parenchyma aliform
| Axial parenchyma lozenge-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma vasicentric
; Axial parenchyma aliform
| Axial parenchyma winged-aliform
| Axial parenchyma bands more than three cells wide
; Axial parenchyma in narrow bands or lines up to three cells wide
; Axial parenchyma in marginal or in seemingly marginal bands
| Larger rays commonly 4 - to 10 seriate
| Ray height > 1 mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
; Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells present
| Tile cells absent
| <= 4 / mm
; 4-12 / mm
| Low rays storied, high rays non-storied.
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
; Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma vasicentric
; Axial parenchyma aliform
; Axial parenchyma confluent
; Axial parenchyma unilateral paratracheal
| Axial parenchyma lozenge-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and / or mucilage cells associated with axial parenchyma
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
; Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | >= 100 vessels per square millimetre
| Septate fibres present
; Non-septate fibres present
| Axial parenchyma absent or extremely rare
| non applicable | non applicable | non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
; >= 12 /mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Septate fibres present
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| <= 4 / mm
; 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Radial canals
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse
; Axial parenchyma diffuse-in-aggregates
| Axial parenchyma vasicentric
; Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
| Axial parenchyma bands more than three cells wide
; Axial parenchyma in marginal or in seemingly marginal bands
| Larger rays commonly 4 - to 10 seriate
; Larger rays commonly > 10-seriate
| Ray height > 1 mm
| Rays of one size
| Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells present
| Tile cells absent
| <= 4 / mm
| Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | Axial parenchyma in marginal or in seemingly marginal bands
| Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
; Rays and / or axial elements irregularly storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma confluent
| non applicable | Axial parenchyma bands more than three cells wide
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
; Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
; Axial parenchyma aliform
; Axial parenchyma unilateral paratracheal
| Axial parenchyma lozenge-aliform
; Axial parenchyma winged-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| All rays storied
; Axial parenchyma and / or vessel elements storied
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
; Axial parenchyma vasicentric
| non applicable | non applicable | Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Radial canals
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Septate fibres present
; Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
; Banded parenchyma
| Axial parenchyma diffuse
| Axial parenchyma scanty paratracheal
; Axial parenchyma aliform
; Axial parenchyma unilateral paratracheal
| Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Rays exclusively uniseriate
| Ray height < 1mm
| Rays of one size
| All ray cells upright and / or square
; Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
; Prismatic crystals in radial alignment in procumbent ray cells
; Prismatic crystals in non-chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
; 20 - 40 vessels per square millimetre
| Septate fibres present
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Radial canals
| Absent
| Absent
| Present
| Prismatic crystals in upright and / or square ray cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Septate fibres present
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
; Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies present
| Silica bodies in ray cells
; Silica bodies in axial parenchyma cells
|
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
; 5 - 20 vessels per square millimetre
| Septate fibres present
; Parenchyma-like fibre bands alternating with ordinary fibres
| Axial parenchyma absent or extremely rare
; Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in fibres
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Vessels exclusively solitary (90% or more)
| Scalariform perforation plates
| Scalariform perforation plates with <= 10 bars
| 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse
| Axial parenchyma scanty paratracheal
; Axial parenchyma aliform
| Axial parenchyma winged-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with over 4 rows of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
; >= 12 /mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Apotracheal axial parenchyma
; Paratracheal axial parenchyma
| Axial parenchyma diffuse
| Axial parenchyma aliform
; Axial parenchyma confluent
; Axial parenchyma unilateral paratracheal
| Axial parenchyma lozenge-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with one row of upright and / or square marginal cells
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
; Scalariform perforation plates
| Scalariform perforation plates with <= 10 bars
| 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma scanty paratracheal
| non applicable | non applicable | Rays exclusively uniseriate
; Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
; Rays with procumbent, square and upright cells mixed throughout the ray
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Present
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma winged-aliform
| Axial parenchyma bands more than three cells wide
| Larger rays commonly 4 - to 10 seriate
| Ray height < 1mm
| Rays of two distinct sizes
| Body ray cells procumbent with mostly 2-4 rows of upright and / or square marginal cells
| Sheath cells present
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and / or mucilage cells associated with axial parenchyma
| Absent
| Absent
| Absent
| Absent
| non applicable | Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | 5 - 20 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
; Axial parenchyma unilateral paratracheal
| Axial parenchyma lozenge-aliform
| non applicable | Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |
Wood diffuse-porous
| Other vessel arangement
| Other vessel groupings
| Simple perforation plates
| non applicable | <= 5 vessels per square millimetre
| Non-septate fibres present
| Paratracheal axial parenchyma
; Banded parenchyma
| non applicable | Axial parenchyma aliform
; Axial parenchyma confluent
| Axial parenchyma lozenge-aliform
; Axial parenchyma winged-aliform
| Axial parenchyma in marginal or in seemingly marginal bands
| Ray width 1 to 3 cells
| Ray height < 1mm
| Rays of one size
| All ray cells procumbent
| Sheath cells absent
| Tile cells absent
| 4-12 / mm
| No storied structure
| Oil and mucilage cells absent
| Absent
| Absent
| Absent
| Present
| Prismatic crystals in chambered axial parenchyma cells
| Absent
| non applicable | Silica bodies absent
| non applicable |