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Morphology

T, 10-40 cm

Ecology

mountain zone, dry site

Chorology

NW America

Xylem

Only one ring, vessels in groups, vessel diameter 30 ¿70µm, vessel frequency 200-300 mm2, simple perforations, fibers absent, pervasive parenchyma, rayless without crystals

Xylem-Code

See annex

Phloem

With groups of sieve cells without sclereids. Crystals absent.

Explanations

For explanations please see the Feature Characteristics.

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

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