H, 10 - 40cm
Distinct rings, ring porous, vessels 60-100 µm in diameter, vessels solitary, simple perforations, vessels thick-walled, pits scalariform or round in opposite position, fibers absent, parenchyma pervasive, rays absent, included layers of periderm, consisting on one layer of phelloderm and a few layers of phellem (cork). With many muscilage ducts containing slime and raphides.
Phloem consisting on parenchymatic tissue and, enlarged chambers with raphides surrounded by mucilage.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010