Morphology

H, 10 - 30cm

Ecology

mountain and subalpinesubtropical coast

Chorology

Macaronesia

Xylem

Distinct rings, semi-ring-porous, vessels groups arranged in tangential patterns, simple perforations, vessel diameter 30 – 50µm, round intervessel pits, fibers thick-walled, parenchyma vasicentric and apotracheal, rays with 3-5 cells in width, heterocellular with many square and upright cells.

Xylem-Code

See annex

Phloem

With ray dilatations, radial oriented groups sclerenchyma cells, many prismatic crystals.

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Tangential section
 
Radial section
 
Bark
 

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