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Morphology

H, 10-20cm

Ecology

Mountain and subalpine, medium site

Chorology

Western North America

Xylem

Indistinct rings, semi-ring porous, vessels solitary and in small groups, vessel diameter 20 ¿ 50µm, vessel frequency 100-200 mm2, vessel frequency 200-500 mm2, simple perforations, gash-like vessel- pits thin walled fibers in local, tangential small bands , pervasive parenchyma, rays mostly uniseriate, with a few with 3-4 cells, rays with exclusively upright cells.

Xylem-Code

See annex

Phloem

Uniform phloem and cortex, with few glassy silica bodies.

Explanations

For explanations please see the Feature Characteristics.

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

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