Morphology

H, 40-120cm,

Ecology

Foothills, montane dry sites

Chorology

W-Asiatic, Mediterranean

Xylem

Distinct rings, semi-ring porous, vessels in groups and in radial multiples, tangential rows of vessels, few scalariform perforations, paratracheal parenchyma, marginal parenchyma, ray width 2-5 cells.

Xylem-Code

See annex

Phloem

No tangential layers of collapsed sieve cells, of sclerenchymatic groups, radial rows of parenchyma cells, distinct ray dilatations, groups of sclereids in primary bark and the phloem.

Remarks

Cross section:
Tangential section:
Radial section:
Bark:

Sion, Valais, Switzerland

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