Morphology

H, 50-100cm

Ecology

hill and mountain zone, medium site

Chorology

Eurasian

Xylem

Distinct rings, semi-ring porous, vessels mostly solitary or in small groups, 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 and paratracheal 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.

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Bark
  

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