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Cassia sieberiana (PROTA)

6 bytes added, 21:28, 3 February 2015
Anatomy
Wood-anatomical description (IAWA hardwood codes):
*Growth rings: 2: growth ring boundaries indistinct or absent. *Vessels: 5: wood diffuse-porous; 13: simple perforation plates; 22: intervessel pits alternate; 23: shape of alternate pits polygonal; 26: intervessel pits medium (7–10 μm); (27: intervessel pits large (<font size="1">≥</font> 10 μm)); 29: vestured pits; 30: vessel-ray pits with distinct borders; similar to intervessel pits in size and shape throughout the ray cell; 42: mean tangential diameter of vessel lumina 100–200 μm; 43: mean tangential diameter of vessel lumina <font size="1">≥</font> 200 μm; 46: <font size="1">≤</font> 5 vessels per square millimetre; 47: 5–20 vessels per square millimetre; (58: gums and other deposits in heartwood vessels). *Tracheids and fibres: 61: fibres with simple to minutely bordered pits; (65: septate fibres present); 66: non-septate fibres present; 69: fibres thin- to thick-walled. *Axial parenchyma: 80: axial parenchyma aliform; 81: axial parenchyma lozenge-aliform; 82: axial parenchyma winged-aliform; 83: axial parenchyma confluent; 85: axial parenchyma bands more than three cells wide; 91: two cells per parenchyma strand; (92: four (3–4) cells per parenchyma strand). *Rays: (96: rays exclusively uniseriate); (97: ray width 1–3 cells); 104: all ray cells procumbent; 116: <font size="1">≥</font> 12 rays per mm. *Mineral inclusions: 136: prismatic crystals present; 142: prismatic crystals in chambered axial parenchyma cells.
:::(N.P. Mollel, P. Détienne & E.A. Wheeler)
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