Morphology

H,C, 5-30cm

Ecology

Subalpine, alpine, dry site

Chorology

Europea, N-American

Xylem

Distinct rings, diffuse porous, vessels solitary, vessel diameter <20mµ, fibers absent, vessel frequency 200-500 mm2, reticulate vessel-pitting, ring shake, fibers missing, pervasive parenchyma, rayless, crystals absent.

Xylem-Code

See annex

Phloem

Uniform phloem and cortex

Explanations

For explanations please see the Feature Characteristics.

Cross section
  
Radial section
 
Bark
  

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