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Morphology

c, 3-10 cm

Ecology

subalpine and alpine, boreal

Chorology

arctic-alpin

Xylem

Distinct rings, diffuse porous, vessels solitary, simple perforation, intervessel pitting round, alternating, vessel diameter 15-20 µm, fibers thick-walled, parenchyma difficult to recognize and partially marginal, uniseriate and multiseriate, all cells upright, without crystals, vascular bundle form remaining, pith with crystal druses.

Xylem-Code

See annex

Phloem

Uniform phloem, multilayered periderm with regular arranged cells.

Explanations

For explanations please see the Feature Characteristics.

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

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