H, 20-40 cm
Mountain and subalpine, medium site
Rings indistinct, vessels solitary and in groups, vessel diameter 15-30 µm, vessels with simple perforations and small scalariform pits, fibers absent or living fibers , parenchyma pervasive, vascular bundles rayless, very large rays (extrusions from the pith) between the bundles, ray cells exclusively square and upright.
Groups of tangentially arranged sieve cells in a thin walled parenchymatic tissue.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010