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Morphology

H, 5 - 10 cm

Ecology

subalpine and alpine

Chorology

Arctic-Alpine

Xylem

Distinct rings, semi-ring porous, vessels solitary and thick-walled, simple perforation, mostly with scalariform intervessel pits, vessel diameter 15-30 µm, fibers absent, parenchyma pervasive, rays absent. Vascular bundle form remaining, rays with crystal druses.

Xylem-Code

See annex

Phloem

Uniform cortex, multilayered periderm with regular arranged cells.

Explanations

For explanations please see the Feature Characteristics.

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

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