P 5-10 m
hill and mountain
Distinct rings, diffuse porous, earlywood vessels solitary and in short radial multipels, simple perforations, earlywood vessel diameter 50-90µm, with helical thickenings, fibers with small pits, axial parenchyma rare or paratracheal, rays 2-3 (4) seriate, homocellular with prostrate cells, without crystals.
Distinct tangential layers of parenchyma and sieve tubes and sclerenchyma. Sieve tubes collapsed in older rings. Many prismatic crystals.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010