z, 5-20 cm
subalpine and alpine
Distinct rings, semi-ring-porous, vessels solitary, simple perforation, vessel diameter 20-30 µm, fibers with large pits, fibers thinwalled, parenchyma apotracheal, rays 1-3 seriate, homocellular with upright cells.
Uniform construction, sometimes with slight ray dilatations. Some samples with groups of sclereids.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010