Buchenavia grandis Ducke -

Buchenavia grandis 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 ; 5 - 20 vessels per square millimetre
Fibres : Non-septate fibres present
Axial parenchyma : Apotracheal axial parenchyma ; Paratracheal axial parenchyma ; Banded parenchyma
Apotracheal axial parenchyma : Axial parenchyma diffuse
Paratracheal axial parenchyma : Axial parenchyma aliform ; Axial parenchyma confluent
Axial parenchyma aliform : Axial parenchyma winged-aliform
Banded parenchyma : Axial parenchyma in marginal or in seemingly marginal bands
Ray width : Rays exclusively uniseriate
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 ; >= 12 /mm
Storied structure : No storied structure
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 upright and / or square ray cells ; Prismatic crystals in procumbent ray cells ; Prismatic crystals in radial alignment in procumbent ray cells
Druses : Absent
Druses present : non applicable
Silica : Silica bodies absent
Silica bodies present : non applicable