T, 20-70 cm
hill zone, dry site
Only one ring,vessels in groups, and radial multiples,vessel diameter 40-60µm, vessel frequency 200-300 mm2, simple perforations, fibers thin-walled, with small pits, parenchyma pervasive in the center, not to recognize outside, ray width 3-6 cells, often with sheet cells, ray cells not lignified, rays with square cells, without crystals
Phloem with tangential rows of sieve cells, with dilatations.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010