H, 20-40 cm
hill and mountain zone, medium site
Distinct rings, diffuse porous, vessels solitary and in short radial multiples, simple perforations, earlywood vessel diameter 15 - 30µm, fibers thin to thick-walled, most fibers with nuclei, parenchyma absent or not to recognize, ray width 6-12 cells, with sheet cells, all ray cells square, crystals absent.
Tangential layers of collapsed sieve cells, tangential bands of sclerenchymatic cells in the cortex on top of vascular bundles. Crystals absent.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010