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Morphology

H, 20-60cm

Ecology

hill and mountain zone, dry site

Chorology

Eurasian

Xylem

Heterogeneous structure between different individuals. One individual with distinct vascular bundles the other with a closed ring of xylem. Distinct rings semi-ring porous, vessels in groups, earlywood vessel diameter 30-60µm, fibers absent or present, simple perforations, round and scalariform intervascular pits, fibers thick-walled, pervasive parenchyma or not to recognize, vascular bundles or closed xylem belt, large rays confluent with axial elements. External parts of the pith with groups of sclereids or a belt of sclereids. One individual with crystal druses.

Xylem-Code

See annex

Phloem

With small groups of sclerechyma.

Explanations

For explanations please see the Feature Characteristics.

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

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