P 5-10 m
hill and mountain
Distinct rings, diffuse porous, earlywood vessels in short radial multipels, simple perforations, earlywood vessel diameter 30-70µm, with helical thickenings, fibers with small pits, axial parenchyma not to recognize, rays mostly uniseriate, homocellular with prostrate cells, without crystals.
Distinct tangential layers of parenchyma and sieve tubes and sclerenchyma. Sieve tubes collapsed in older rings. Many exceptionally large prismatic crystals and a few crystal druses .
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010