Morphology

T, 10-20 cm

Ecology

hill and mountain zone, dry site

Chorology

W-European

Xylem

Only one ring, vessels in short and few long radial multiples, vessel diameter 15-30 µm, simple perforations, round and scalariform inter-vessel pits, fibers thick-walled, scanty paratracheal parenchyma, rayless, crystals absent.

Xylem-Code

See annex

Phloem

With groups of sieve cells, radial rows of parenchyma cells, with crystal druses.

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Radial section
  
Bark
  

© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010