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Morphology

H, 10-20cm

Ecology

Hill and mountain zone, dry site

Chorology

Eurosiberian, N-American

Xylem

Distinct rings, semi-ring porous, vessels solitary and in radial rows, vessel diameter 20 ¿ 50µm, vessel frequency 200-500 mm2, simple perforations, groups of thick-walled fibers, pervasive and paratracheal parenchyma, thin walled marginal parenchyma,

Xylem-Code

See annex

Phloem

With small groups of sieve cells, radial rows of sclerenchyma cells, distinct ray dilatations, With few crystal druses.

Explanations

For explanations please see the Feature Characteristics.

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

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