Morphology

Z, 5-20 cm

Ecology

hill and mountain, dry

Chorology

European

Xylem

Distinct rings, diffuse- to semi-ring-porous, vessels solitary vessel diameter 20-40µm vessel frequency 300-400 mm2, simple perforations, fibers thin to thick-walled, with large pits, parenchyma apotracheal and scanty paratracheal, rays uni-seriate, homocellular with square or upright cells.

Xylem-Code

See annex

Phloem

With isolated sclerenchyma cells in indistinct tangential layers, with many crystal druses.

Explanations

For explanations please see the Feature Characteristics.

Cross section
  
Bark
 

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