P 5-10 m
Distinct rings, diffuse porous, earlywood vessels solitary and in short radial multipels, simple perforations, earlywood vessel diameter 50-80µm, with helical thickenings, with dark staining substances, fibers with small pits, with tension wood, axial parenchyma not to recognize, rays 2-4 (4) seriate, homocellular with prostrate cells, prismatic crystals in axial chambers.
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