hill and mountain zone, medium site
Only one ring, in radial multiples, vessel diameter 30-50 µm, simple perforations, with thin-walled tylosis, round inter-vessel pits, fibers thin-walled, parenchyma not to recognize, rays absent, crystals absent.
With groups of sieve cells, radial rows of parenchyma cells, with short rhaphides.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010