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Morphology

Z, 5-20 cm

Ecology

subalpine and alpine

Chorology

SW-European

Xylem

Distinct rings, diffuse to semi-ring-porous, vessels solitary vessel diameter 20-30µm vessel frequency 200-300 mm2, simple perforations, fibers 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 irregular groups in tangential layers,. 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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