Foothills, montane, medium site
Eurasian, North American
Indistinct rings, vessels solitary and in groups, tangential rows of vessels, vestured pits, tangential bands with thick walled fibers, paratracheal parenchyma, intra annual bands of parenchyma, rayless in cross-section, rayless, sometimes, few large rays.
Indistinct tangential layers of collapsed sieve cells, tangential groups of sclerenchymatic groups, radial rows of parenchyma cells, distinct ray dilatations, groups of sclereids in primary bark.
For explanations please see the Feature Characteristics Volume 1.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010