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Morphology

Z, 5-20 cm

Ecology

subalpine and alpine

Chorology

European

Xylem

Distinct rings, semi-ring porous, vessels solitary vessel diameter 15-30µm vessel frequency 200-300 mm2, simple perforations, fibers mostly thick-walled, with large pits, parenchyma apotracheal and scanty paratracheal, rays uni-seriate, homocellular with square or upright cells.

Xylem-Code

See annex

Phloem

Sclerenchyma cells in small, tangential bands. With 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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