Morphology

T, 40cm

Ecology

Cold steppe, Montane, dry site,

Chorology

Eurasian, Colorado, USA

Xylem

Only one ring. Vessels in radial multiples, tangential rows of vessels, vestured pits, paratracheal parenchyma, thin walled marginal parenchyma, ray width 1-2 cells.

Xylem-Code

See annex

Phloem

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

Remarks

Cross section:
Tangential section:
Radial section:
Bark:

Benasque, Pyrenees, Spain

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