Ch 10-90 cm
subalpine and alpine
Distinct rings, semi-ring-porous, vessels uniseriate and in groups mostly simple, rarely scalairform perforations with 5-8 bars, with fine helical thickenings, intervessel pits round, vessel diameter 15-40 µm, vessel frequency 200 - 300 mm2, fibers with large pits, fibers thin-to thick-walled, parenchyma not to recognize, rays 1-3 seriate, heterocellular with prostrate and a few with upright cells.,
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010