Morphology

H, 2 - 15 cm

Ecology

subalpine, alpine, dry site

Chorology

Alps

Xylem

Only on ring, vessels solitary and in radial multiples, vessel diameter <15 -30 µm, parenchyma no to recognize, rayless. Little spots of fibers outside of the cambium ¿ included phloem No phloem in pith.

Xylem-Code

See annex

Phloem

Uniform cortex.

Remarks

Gornergrat, Zermatt, Valais, Switzerland 2800m

Explanations

For explanations please see the Feature Characteristics.

Cross section
    
Bark
 

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