Morphology

Ch, 30 - 50 cm

Ecology

hill and mountain zone, dry site

Chorology

Eastern Europe, Western Aisia

Xylem

Distinct rings, semi-ring porous, vessels solitaryand in small groups, simple perforations, tangential bands with thick walled fibers, paratracheal parenchyma, thin walled marginal parenchyma, ray width 3-8 cells.

Xylem-Code

See annex

Phloem

No tangential layers of collapsed sieve cells, few groups of sclereids in cortex.

Remarks

Champex, Botanical Garden, Valais

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Tangential section
  
Radial section
 
Bark
 

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