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Morphology

H, 5-15cm

Ecology

Subalpine, alpine, moist rocks

Chorology

Arctic-Alpine

Xylem

Indistinct rings, diffuse porous, vessels solitary, vessel diameter 20-30mµ, sometimes between vascular bundles large zone with pith cells, fibers absent, vessel frequency -200 mm2, reticulate vessel-pitting, fibers missing, pervasive parenchyma, rayless, crystals absent.

Xylem-Code

See annex

Phloem

Uniform phloem and cortex. Large cortex with thin walled parenchyma cells.

Explanations

For explanations please see the Feature Characteristics.

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

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