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Morphology

H, 10 - 40cm

Ecology

arid

Chorology

N-America

Xylem

Distinct rings, semi-ring-porous, vessels 20-40 µm in diameter, vessels solitary, simple perforations, fibers thin to thick walled, fibers with large pits, parenchyma apotracheal-diffuse rays homocellular with upright cells, rays, unlignified, 1-3 seriate..

Xylem-Code

See annex

Phloem

Distinct groups of sieve-tubes in a parenchymatic tissue. No sclerenchyma cells and crystals.

Explanations

For explanations please see the Feature Characteristics.

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

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