Morphology

P 5-10 m

Ecology

mountain and subalpine

Chorology

Europan, W-Asian

Xylem

Distinct rings, diffuse porous, earlywood vessels solitary and in short radial multipels, simple perforations, earlywood vessel diameter 50-90µm, with helical thickenings, fibers with small pits, axial parenchyma rare or paratracheal, rays 2-3 (4) seriate, homocellular with prostrate cells, without crystals.

Xylem-Code

See annex

Phloem

Distinct tangential layers of parenchyma and sieve tubes and sclerenchyma. Sieve tubes collapsed in older rings. Many prismatic crystals.

Explanations

For explanations please see the Feature Characteristics.

Bark
  

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