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Iryanthera laevis Markgr.
Porosity
:
Wood diffuse-porous
Vessel arangement
:
Other vessel arangement
Vessel groupings
:
Other vessel groupings
Perforation plates
:
Simple perforation plates
;
Scalariform perforation plates
Scalariform perforation plates
:
Scalariform perforation plates with <= 10 bars
Vessels per square millimetre
:
5 - 20 vessels per square millimetre
Fibres
:
Non-septate fibres present
Axial parenchyma
:
Paratracheal axial parenchyma
;
Banded parenchyma
Apotracheal axial parenchyma
:
non applicable
Paratracheal axial parenchyma
:
Axial parenchyma scanty paratracheal
Axial parenchyma aliform
:
non applicable
Banded parenchyma
:
Axial parenchyma bands more than three cells wide
;
Axial parenchyma in marginal or in seemingly marginal bands
Ray width
:
Ray width 1 to 3 cells
Ray height
:
Ray height < 1mm
Rays of two distinct sizes
:
Rays of one size
Rays: cellular composition
:
Rays with procumbent, square and upright cells mixed throughout the ray
Sheath cells
:
Sheath cells absent
Tile cells
:
Tile cells absent
Rays per millimetre
:
4-12 / mm
Storied structure
:
No storied structure
Oil and mucilage cells
:
Oil and mucilage cells absent
Intercellular canals
:
Absent
Laticifers or tanniniferous tubes
:
Present
Cambial variants
:
Absent
Prismatic crystals
:
Absent
Prismatic crystals present
:
non applicable
Druses
:
Absent
Druses present
:
non applicable
Silica
:
Silica bodies present
Silica bodies present
:
Silica bodies in ray cells