Mountain and subalpine, medium site
Distinct rings in wedge-like radial vascular bundles, semi-ring porous, vessels in groups, earlywood vessel diameter 50-90µm, fibers with distinct big (3 µm)round, bordered pits, simple perforations, round intervascular pits, parenchyma paratracheal and marginal, vascular bundles rayless, very large rays (dilatation) between the bundles.
Bands sieve elements alternating with parenchyma cells, tangentially arranged in a thin walled parenchymatic tissue. Many phellem bands.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010