H, 30 - 50cm
tropical rain forest
Distinct rings, ring porous and semi-ring porous, vessels solitary, vessel diameter 50-130mµ, vessels thick walled (3mµ), simple perforation, round intervessel pitting, with tylosis, fibers thin to thick-walled or thick-walled, fibers with round bordered pits, Parenchyma apotracheal, paratracheal and pervasive, sometimes marginal, vascular bundle form remaining, rays very large, unlignified with square cells. Crystals absent.
Phloem with small sieve cells and large parenchyma cells. Distinct ray dilations. Cortex with few fragments of an earlier sclerenchymatic belt. .
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010