Guarea guidonia (L.) Sleumer - Meliaceae

• 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 - 20 vessels per square millimetre
• Fibres : Septate fibres present
• Axial parenchyma : Paratracheal axial parenchyma
• Apotracheal axial parenchyma : non applicable
• Paratracheal axial parenchyma : Axial parenchyma aliform ; Axial parenchyma confluent
• Axial parenchyma 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 : All ray cells procumbent ; Body ray cells procumbent with one row 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 : 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 chambered axial parenchyma cells
• Druses : Absent
• Druses present : non applicable
• Silica : Silica bodies present
• Silica bodies present : Silica bodies in ray cells ; Silica bodies in axial parenchyma cells

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