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Morphology

shrub, - 1 m

Ecology

subalpine, alpine, medium site

Chorology

S-European, Mountain

Xylem

Distinct rings, ring-porous to semi-ring porous, vessels in radial groups, simple perforations, fine spiral thickenings, earlywood vessel diameter 50 - 100µm, fibers thin to thick-walled, parenchyma absent or not to recognize, ray width 4-10 cell, all ray cells prostrate, ray height >1mm, prismatic crystals in rays.

Xylem-Code

See annex

Phloem

Tangential layers of collapsed sieve cells, uniseriate tangential rows of sclereids, annual? tangential cracks, without crystals

Explanations

For explanations please see the Feature Characteristics.

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

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