Morphology

C, 10-20 cm

Ecology

hill zone, medium site

Chorology

S-hemisphere

Xylem

Indistinct rings, vessels solitary and in radial multipels, vessel diameter 20 ¿ 30 mµ, simple perforation, minutely bordered fibers thin to (thick)-walled, parenchyma absent or not to distinguish between rays, with interxylary phloem. The zones of vascular bundles form ring like bands with some irregularities. Ray width mostly1-3 cells, some larger rays, ray cells thin walled and unlignified, rhaphides probably absent.

Xylem-Code

See annex

Phloem

Simple anatomy. Bundles of rhaphides in idioblasts.

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Radial section
 
Bark
 

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