Morphology

z 20-40 cm

Ecology

hill and mountain

Chorology

S-European

Xylem

Distinct rings,diffuse to semi-ring-porous, vessels in irregular radial and dendritic groups, vessel diameter 30 – 50mµ, simple perforations, with thin helical thickenings, fibers with small pits, fibers thin to thick-walled, parenchyma not to recognize and terminal, rays 1-2- seriate, heterogeneous with many prostrate and a few rows of upright cells.

Xylem-Code

See annex

Phloem

Sieve tubes and parenchyma in tangential rows, groups of sclerenchyma in tangentially arranged, with crystal druses.

Explanations

For explanations please see the Feature Characteristics.

Cross section
 
Tangential section
 
Bark
 

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