hill and mountain zone, medium site
Only one ring, vessels in long radial multipels, vessel diameter 30 ¿70µm, vessel frequency 200-500 mm2, simple perforations, fibers absent??, parenchyma not to recognize, pervasive parenchyma?, ray width 3-7 cells, often with sheet cells, often vascular bundle form remaining, ray cells unlignified and thin-walled, exclusively square and upright ray cells, without crystals
Phloem in arcades outside of the vascular bundles. With sieve cell groups.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010