Z, 5-20 cm
subalpine and alpine
Distinct rings, semi-ring porous, vessels solitary vessel diameter 15-30µm vessel frequency 200-300 mm2, simple perforations, fibers mostly thick-walled, with large pits, parenchyma apotracheal and scanty paratracheal, rays uni-seriate, homocellular with square or upright cells.
Sclerenchyma cells in small, tangential bands. With crystal druses
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010