Morphology

H, 50-100cm

Ecology

hill and mountain zone, medium site

Chorology

W-European

Xylem

Distinct rings, diffuse porous, vessels in radial multiples, vessel diameter 20 ¿ 50µm, vessel frequency 100-200 mm2, simple perforations, siphonostele consisting on single vascular bundles, fibers thin to thick-walled, in groups, pervasive parenchyma, ray width 3->10 cells, exclusively square and upright ray cells, with crystal druses in the rays.

Xylem-Code

See annex

Phloem

Distinct ray dilatations, groups of sclereids at the outside of the phloem, with crystal druses, with aerenchym.

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Bark
  

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