Morphology

H, 10-20cm

Ecology

Hill zone, normal site

Chorology

Northern Rocky Mountains

Xylem

Distinct rings, semi-ring porous, vessels solitary and in short radial multipels vessel diameter <20mµ, scalariform perforations with 5-15 bars, fibers with small round pits, vessel frequency 200-500 mm2, reticulate vessel-pitting, fibers with small round pits (fiber tracheids), marginal parenchyma, rayless and pith zones between vascular bundles, crystals druses in the pith zones.

Xylem-Code

See annex

Phloem

Uniform phloem and cortex. Pith with crystal druses.

Explanations

For explanations please see the Feature Characteristics.

Cross section
     
Radial section
  
Bark
  

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