Morphology

N , 100-300cm

Ecology

subalpine and alpine abandonned land

Chorology

Macaronesia

Xylem

Distinct rings, semi-ring-porous, vessels dendritic patterns, simple perforations, vessel diameter 60 – 90µm, with helical thickenings, with vestured intervessel pits, fibers thick-walled, parenchyma vasicentric, ray width 3 -10 cells, homocellular with procumbent cells.

Xylem-Code

See annex

Phloem

With tangential bands of collapsed sieve cells, with tangential bands of sclereids.

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Tangential section
 
Bark
  

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