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Morphology

c, 40 -100cm

Ecology

hill and mountain

Chorology

W-North America

Xylem

Distinct rings, ring boundary very small, semi-ring-porous, vessels in groups, scalariform perforations with 10-20 bars, intervessel pits round, vessel diameter 20-35 µm, vessel frequency 400 - 500 mm2, fibers with large pits, fibers thin- walled, parenchyma apotracheal, rays uniseriate, homocellular with prostrate 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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