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Morphology

H, 10 - 40cm

Ecology

hill and mountain dunes

Chorology

North America

Xylem

Distinct rings, semi-ring-porous, vessels solitary or in small groups, simple perforations, vessel diameter 100-150µm, , with scalariform intervessel pits, fibers thick-walled, parenchyma vasicentric, and pervasive, ray width 3-6-3 cells, homocellular with square cells storied parenchyma, prismatic crystals in lateral ray cells.

Xylem-Code

See annex

Phloem

Radial strips of collapsed sieve cells, ray dilatations, tangentially arranged groups of sclereids, a few small prismatic crystals.

Explanations

For explanations please see the Feature Characteristics.

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

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