Morphology

H, 20-60cm

Ecology

hill and mountain zone, medium site

Chorology

Eurasian

Xylem

Secondary growth absent. Single vascular closed bundles arranged around the pith. Vessels in groups, vessel diameter 15¿50 µm, perforations simple, intervessel pits round to mostly slit-like or scalariform, fibers absent, parenchyma pervasive, rays absent inside vascular bundles, between them very large rays with thin-walled, unlignified cell walls.

Xylem-Code

See annex

Phloem

Mostly uniform, sometimes with a few smaller sieve-cells

Explanations

For explanations please see the Feature Characteristics.

Cross section
   

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