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Morphology

H, 5 - 10 cm

Ecology

subalpine and alpine

Chorology

Arctic-Alpine

Xylem

Distinct rings, semi-ring porous, vessels solitary, simple perforation, vessel diameter 20-40 µm, fibers with large pits, fibers thin-to thick-walled, parenchyma apotracheal, rays uniseriate, all cells upright, crystals absent.

Xylem-Code

See annex

Phloem

Uniform cortex, multilayered periderm with regular arranged cells.

Explanations

For explanations please see the Feature Characteristics.

Cross section
  

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

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