Distinct rings, diffuse to semi-ring porous, vessels solitary vessel diameter 30-50µm vessel frequency 300-400 mm2, simple perforations, fibers thick-walled, with large pits, parenchyma apotracheal and scanty paratracheal, rays: 2-3 seriate, homocellular with square or upright cells
With regular layers of thick-walled sclerenchyma cells (fibers). With a few prismatic crystals. druses.
For explanations please see the Feature Characteristics Volume 1.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010