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Suivant
Ormosia paraensis Ducke
Porosity
:
Wood diffuse-porous
Vessel arangement
:
Other vessel arangement
Vessel groupings
:
Other vessel groupings
Perforation plates
:
Simple perforation plates
Scalariform perforation plates
:
non applicable
Vessels per square millimetre
:
<= 5 vessels per square millimetre
Fibres
:
Non-septate fibres present
Axial parenchyma
:
Paratracheal axial parenchyma
Apotracheal axial parenchyma
:
non applicable
Paratracheal axial parenchyma
:
Axial parenchyma aliform
;
Axial parenchyma confluent
;
Axial parenchyma unilateral paratracheal
Axial parenchyma aliform
:
Axial parenchyma lozenge-aliform
;
Axial parenchyma winged-aliform
Banded parenchyma
:
non applicable
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
:
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
:
Sheath cells absent
Tile cells
:
Tile cells absent
Rays per millimetre
:
4-12 / mm
Storied structure
:
Axial parenchyma and / or vessel elements storied
Oil and mucilage cells
:
Oil and mucilage cells absent
Intercellular canals
:
Absent
Laticifers or tanniniferous tubes
:
Absent
Cambial variants
:
Absent
Prismatic crystals
:
Present
Prismatic crystals present
:
Prismatic crystals in chambered axial parenchyma cells
Druses
:
Absent
Druses present
:
non applicable
Silica
:
Silica bodies absent
Silica bodies present
:
non applicable