Morphology

H, C, 2-5cm, cushion plant

Ecology

alpine, dry site

Chorology

Rocky Mountains

Xylem

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

Xylem-Code

See annex

Phloem

Uniform phloem and cortex. Large cortex with thin walled parenchyma cells. Similar to S.stellaris in the Alps

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Bark
 

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