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Morphology

N 80-200 cm

Ecology

subalpine and alpine

Chorology

alpine

Xylem

Distinct rings, diffuse-porous, vessels in short radial multipels, simple perforation, vessel diameter 40-70µm, large vessel-ray pits, fibers with small pits, fibers thin-to thick-walled, intraannual parenchyma not to recognize and one row of marginal parenchyma, rays uniseriate, heterocellular with prostrate and a few rows of upright marginal cells.

Xylem-Code

See annex

Phloem

With tangential layers of sieve-tubes and parenchyma cells, tangential bands of sclerenchyma cells, with prismatic crystals with dilatations.

Explanations

For explanations please see the Feature Characteristics.

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

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