Morphology

N 80-150

Ecology

hill and mountain, dry

Chorology

Ukraine, S-Russia

Xylem

Indistinct rings, vessels in groups, often arranged in tangential layers, simple perforations, round intervessel pits, intervessel pits alternate, vessel diameter 50-90 µm, parenchyma scanty paratracheal, ray width 3-6 cells, homocellular with square and upright cells, with a many crystals druses in rays.

Xylem-Code

See annex

Phloem

Sclereids in tangentially arranged square groups, with ray dilatations, with many crystal druses in rays, with mucilage ducts

Explanations

For explanations please see the Feature Characteristics.

Cross section
 
Tangential section
 
Bark
 

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