Morphology

H, 10-20cm

Ecology

mountain zone, dry site

Chorology

Western North America

Xylem

Distinct rings, semi-ring porous, vessels solitary and in small groups, vessel diameter 20 ¿ 50µm, vessel frequency 200-500 mm2, simple perforations, gash-like vessel- pits fibers thin to thick-walled apotracheal and marginal parenchyma, rayless

Xylem-Code

See annex

Phloem

Uniform phloem and cortex, with silica bodies.

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