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Morphology

H, 10 - 30cm

Ecology

mountain and subalpine dry meadow

Chorology

Rocky Mountains

Xylem

Distinct rings, semi-ring-porous, vessels in groups, vessels fairly thick-walled, simple perforations, round to scalariform intervessel pits, vessel diameter 40-70 µm, parenchyma paratracheal to pervasive, ray width 3-6 cells, with sheet cells, homocellular, prostrate cells, ray cells unlignified, crystals absent.

Xylem-Code

See annex

Phloem

With sieve tube groups, with ray dilatations, irreguar radial rows of sclerenchyma cells, 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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