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Morphology

H, 10-40 cm

Ecology

mountain zone, dry site

Chorology

NW America

Xylem

Distinct rings, diffuse porous, vessels solitary, vessel diameter 20 ¿ 50µm, vessel frequency 100-200 mm2, simple perforations, fibers thick-walled, paratracheal parenchyma, thin walled marginal parenchyma, ray width 3-7 cells, ray cells unlignified and thin-walled, exclusively square and upright ray cells, without crystals

Xylem-Code

See annex

Phloem

Irregular groups of parenchyma/sieve cells and of sclereids in phloem and cortex. Without crystals

Explanations

For explanations please see the Feature Characteristics.

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

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