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Morphology

N 80-200 cm

Ecology

arid desert

Chorology

W-North America

Xylem

Distinct rings, semi-ring porous, vessels solitary, simple perforation, vessel diameter 30-50µm, fibers with large pits, fibers thin- to thick-walled, parenchyma apotracheal, rays uni and biseriate, homocellular with prostrate cells.

Xylem-Code

See annex

Phloem

With phloem and a few larger parenchyma cells, compressed sieve tubes in tangential strips, sclerenchyma cells in irregular tangential rows, with crystal druses, multilayered periderm with regular arranged cells.

Explanations

For explanations please see the Feature Characteristics.

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

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