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Morphology

T, 2-15 cm

Ecology

alpine, medium site

Chorology

Arctic-Alpine

Xylem

Only on ring, vessels in radial multiples, vessel diameter <20 µm, parenchyma no to recognize, rayless. Probably little spots of fibers outside of the cambium ¿ included phloem? No phloem in pith.

Xylem-Code

See annex

Phloem

Tangential layers of sieve cells.

Explanations

For explanations please see the Feature Characteristics.

Cross section
     
Tangential section
 
Radial section
 
Bark
  

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

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