hill zone, dry site
Bulb. Rings indistinct, 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. Intervascular cambium but without secondary growth.
Simple construction of the cortex
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010