Morphology

H, 100 -200

Ecology

hill and mountain zone, moist 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 small groups, extended pervasive and little 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 few crystal druses.

Explanations

For explanations please see the Feature Characteristics.

Cross section
    
Tangential section
 
Radial section
 
Bark
  

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