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Morphology

P, 0,5-1,5m

Ecology

boreal

Chorology

N-America, Siberia

Xylem

Distinct rings, diffuse porous, semi-ring porous, vessels solitary and in groups, scalariform perforations, partial scalariform intervessel pits intervessel pits opposite, with septate fibers, parenchyma difficult to recognize, ray width uni-to multiseriate, heterocellular.

Xylem-Code

See annex

Phloem

Tangential layers of collapsed sieve cells, tangential bands of crystal druses.

Explanations

For explanations please see the Feature Characteristics.

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

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