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Morphology

H, 10-20cm

Ecology

Mountain and subalpine, medium site

Chorology

Western North America

Xylem

Distinct rings, semi-ring porous, vessels in groups, vessel diameter 40 ¿ 70µm, vessel frequency 200-500 mm2, simple perforations, scalariform vessel- pits, fibers thin to thick-walled apotracheal parenchyma, rayless.

Xylem-Code

See annex

Phloem

Uniform phloem and cortex, with 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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