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Morphology

H, 5 - 10 cm

Ecology

boreal steppe

Chorology

Siberean

Xylem

Distinct rings, semi-ring-porous, thick-walled vessels solitary and in groups, simple perforations, vessel diameter 40-80µm, round and scalariform intervessel-pits, a thick-walled fibers in groups, parenchyma paratracheal vasicentric and pervasive,ray width 2-4 unlignified, cells, unlignified, homocellular with square and upright cells.

Xylem-Code

See annex

Phloem

With ray dilatations, radial rows of sieve-tubes, parenchyma ad sclereids. Tangential separation of layers present.

Explanations

For explanations please see the Feature Characteristics.

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

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