Morphology

H, 10 - 20 cm

Ecology

Montaine zone, dry site

Chorology

Colorado, USA

Xylem

Distinct rings, semi-ring porous, vessels solitary, i simple perforations, Spots of thick walled fibers, paratracheal parenchyma, thin walled parenchyma (pervasive),rayless

Xylem-Code

See annex

Phloem

Tangential layers of collapsed sieve cells, groups of sclereids in cortex.

Remarks

Monte Vista, Colorado, USA

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Tangential section
 
Bark
 

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