Morphology

H, 10-20cm

Ecology

subalpine, alpine, medium site

Chorology

Rocky mountains

Xylem

Rings indistinct, vessels in groups, vessel diameter <20 µm, vessels with simple perforations and small round pits, fibers absent or living fibers, parenchyma pervasive, vascular bundles rayless, very large rays (extrusions from the pith) between the bundles, ray cells exclusively square and upright.

Xylem-Code

See annex

Phloem

Simple construction of the phloem

Explanations

For explanations please see the Feature Characteristics.

Cross section
  
Radial section
 
Bark
 

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