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Morphology

Ch 10 - 50 cm

Ecology

arctic

Chorology

arctic-alpine

Xylem

Distinct rings, diffuse-porous vessels solitary simple, scalariform perforations with 5-8 bars, , intervessel pits round, vessel diameter 10-20 µm, vessel frequency 300 - 400 mm2, fibers with large pits, fibers thick-walled, parenchyma paratracheal, rays uniseriate, very small, , homocellular with 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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