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Morphology

H, 10-40 cm

Ecology

mountain zone, dry site

Chorology

Rocky mountains

Xylem

Distinct rings, semi-ring porous, vessels in groups, vessel diameter 30-50 µm, simple perforations, round intervessel pits,fibers thin- to thick-walled, paratracheal parenchyma, very large rays, vascular bundle form remaining, rays larger than the vascular bundles, crystals absent

Xylem-Code

See annex

Phloem

With groups of sieve cells in tangential rows, radial rows of parenchyma cells, distinct ray dilatations, crystals absent.

Explanations

For explanations please see the Feature Characteristics.

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

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