H, 10-40 cm
hill and mountain zone, medium site
Distinct rings, semi-ring porous, vessels in radial multipels, vessel diameter 30-50 µm, simple perforations, round intervessel pits, fibers thin- to thick-walled, parenchyma not to recognize, sometimes marginal. rays very large, vascular bundle remaining, crystals absent.
With indistinct groups of sieve cells, crystals absent.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010