hill and mountain zone, medium site
Bulb. No secondary growth, vessels in groups, vessel diameter <20 µm, vessels with simple perforations and small scalariform pits, fibers absent, parenchyma pervasive, few small vascular bundles in a parenchymatic tissue.
Simple construction of the cortex. Sometimes with indistinct groups of sieve cells.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010