Morphology

H, 20-50 cm

Ecology

Mountain and subalpine, medium site

Chorology

SW-N-American

Xylem

Distinct rings, vessels in radial multipels, vessel diameter 30 ¿70µm, vessel frequency 200-500 mm2, simple perforations, fibers absent, pervasive parenchyma, marginal, thin-walled- parenchyma, ray width >10 cells, vascular bundle form remaining, ray cells unlignified and thin-walled, exclusively square and upright ray cells, without crystals

Xylem-Code

See annex

Phloem

Phloem consists on small radial oriented cells on top of the vascular bundle. The cortex consists of round parenchyma cells.

Explanations

For explanations please see the Feature Characteristics.

Cross section
     
Radial section
 
Bark
 

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