Morphology

H, 5-20cm

Ecology

subalpine, alpine, medium site

Chorology

Arctic-Alpine

Xylem

Mostly,indistinct rings, diffuse porous, vessels solitary, vessel diameter vessel diameter 20 ¿ 30µm, vessel frequency vessel frequency 200-500 mm2, simple perforations, siphonostele with separated vascular bundles, fibers absent, pervasive parenchyma, ray width 4->10 cells, exclusively square and upright ray cells, without crystals.

Xylem-Code

See annex

Phloem

Distinct sieve cells in radial groups, distinct ray dilatations, with 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