Distinct rings, diffuse to semi-ring porous, vessels solitary vessel diameter 20-40µm vessel frequency 200-300 mm2, simple perforations, fibers thick-walled, with large pits, parenchyma apotracheal and scanty paratracheal, two types of rays: uniseriate with axial elongated cells and uni-and biseriate with round cells, rays homocellular with square or upright cells,
With layers of thick-walled sclerenchyma cells (fibers). With prismatic crystals.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010