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Morphology

H, C, 5-15cm

Ecology

subalpine, dry site

Chorology

w-alpine

Xylem

Distinct rings, semi-ring porous, vessels solitary and in short radial multiples, vessel diameter 20 - 50µ, vessels thick walled (2µ), thin walled parenchyma between vessels, rayless or with some large rays, crystal druses in large rays.

Xylem-Code

See annex

Phloem

Uniform anatomy, sieve elements and parenchyma in radial rows, crystal druses in phloem.

Remarks

Mt. Cenis- Pass, France

Explanations

For explanations please see the Feature Characteristics.

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

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