Morphology

N , 100-300cm

Ecology

mountain and subalpine maccia

Chorology

Macaronesia

Xylem

Distinct rings, semi-ring-porous, vessels grouped in dendritic patterns, simple perforations, with helical thickenings, vessel pits vestured, vessel diameter >40-50µm, fibers thick-walled, parenchyma vasicentric, ray width 1-3 cells, homocellular, procument cells, crystals mostly absent, parenchyma storied, with a very few crystals druses.

Xylem-Code

See annex

Phloem

Slide missing

Explanations

For explanations please see the Feature Characteristics.

Cross section
 
Tangential section
 
Radial section
 

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