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Morphology

H, 40 -100cm

Ecology

arid desert

Chorology

Sahara

Xylem

Distinct growth zones, diffuse porous, 20-50 µm in diameter, vessels in long radial multiples, simple perforations, fibers thin-to thick-walled with small pits, parenchyma paratracheal, with rays 2-3, heterocellular with central prostrate and many marginal upright cells,

Xylem-Code

See annex

Phloem

Phloem with ray dilatations, round sclerenchymatic groups in more or less distinct tangential rows.

Explanations

For explanations please see the Feature Characteristics.

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

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