H, 10 - 40cm
hill zone, dry sites
Distinct and indistinct rings, ring porous and semi-ring porous, vessels solitary, vessel diameter 50-90mµ, with tylosis, vessels thick walled (3mµ), simple perforation, round intervessel pitting, fibers thin to thick-walled or thick-walled, fibers with round bordered pits, parenchyma apotracheal, paratracheal and pervasive, 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