H, 10-40 cm
Mountain and subalpine, medium site
Distinct rings in radial vascular bundles, diffuse and semi-ring porous, vessels in groups, earlywood vessel diameter 20-40µm, fibers absent, simple perforations, scalariform intervascular pits, pervasive parenchyma, vascular bundles rayless, very large rays (extrusions from the pith) between the bundles.
Groups of sieve elements 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