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Morphology

H, C, 6 - 15cm

Ecology

Alpine, medium site

Chorology

Arctic-alpine

Xylem

Distinct and indistinct rings, diffuse porous and semi-ring porous, vessels solitary, vessels small (<20microns) vessels thick walled (2 microns), parenchyma thin walled between fibers, rayless in cross section, crystals absent.

Xylem-Code

See annex

Phloem

Uniform anatomy, groups of sieve cells and parenchyma in radial rows, without crystals

Remarks

Cross section:
Tangential section:
Radial section:
Bark:

Piz Arina, Engadin , Switzerland

Explanations

For explanations please see the Feature Characteristics.

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

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