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Morphology

H, 5-10 cm

Ecology

mountain and subalpine, dry site

Chorology

Rocky Mountains

Xylem

Distinct rings, semi-ring porous, vessels solitary, simple perforations, intervessel pits round, vessel diameter 20 ¿ 25 µm, parenchyma and fibers difficult to distinguish. parenchyma probably pervasive, crystals absent. Stem lobed.

Xylem-Code

See annex

Phloem

Uniform phloem and cortex. Crystals absent.

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

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