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Morphology

T, 50-150

Ecology

hill and mountain zone, medium site

Chorology

cosmopolitean

Xylem

Only one ring, vessels mostly solitary, vessel groups in tangential rows, diameter 40-90µm, vessel frequency 200-300 mm2, simple perforations, central vessels with scalariform intervessel pits, external vessels with round pits, fibers thin-walled, with small pits, stem-internal vessels with pervasive parenchyma, external vessels with parenchyma paratracheal, rays with 2-3 cells in width, without crystals

Xylem-Code

See annex

Phloem

Phloem with radial groups of sieve cells, some dilatations.

Explanations

For explanations please see the Feature Characteristics.

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

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