Morphology

H, 20 - 80 cm

Ecology

Hill and mountaine zone, medium site

Chorology

SW- European

Xylem

Distinct rings, semi-ring porous, vessels in radial multiples, tangential rows of vessels, simple perforations, paratracheal parenchyma, thin walled marginal parenchyma, ray width 3-4 cells.

Xylem-Code

See annex

Phloem

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

Remarks

OrsiƩre, Valais, Switzerland

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Tangential section
 
Radial section
 

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