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Morphology

N 80-200 cm

Ecology

hill and mountain

Chorology

W-North America

Xylem

Distinct rings, ring boundary very small, diffuse-porous, vessels in groups, scalariform perforations with >15 bars, intervessel pitsscalariform and round, vessel diameter 20-40 µm, vessel frequency 200 - 400 mm2, fibers with large pits, fibers thin- to thick-walled, parenchyma not to recognize, rays uniseriate and 3-6 with sheet cells , heterocellular with prostrate and a few upright cells.

Xylem-Code

See annex

Phloem

Uniform structure,

Explanations

For explanations please see the Feature Characteristics.

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

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