H, 10-40 cm
hill and mountain zone, medium site
Distinct rings in long radial vascular bundles, diffuse and semi-ring porous, vessels in groups, earlywood vessel diameter 20-40µm, fibers absent, simple perforations, round and scalariform intervascular pits, pervasive parenchyma, vascular bundles rayless, very large rays (extrusions from the pith) between the bundles.
Groups of sieve elements mostly tangentially arranged in a thin walled parenchymatic tissue.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010