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Morphology

tree 4 m

Ecology

arid zones, salt tolerant

Chorology

Sahara

Xylem

Distinct rings, ring porous, vessels solitary and in groups, simple perforations, intervessel pits round, fibers thin to thick-walled, paratracheal parenchyma, parenchyma locally intangential bands, ray width >10 cells, homocellular with procumbent cells. Storied parenchyma and fibers and vessels, with prismatic crystals.

Xylem-Code

See annex

Phloem

Sieve cells between parenchyma cells. They are compressed in older rings. Half-moon-like groups of sclerenchyma, arranged in tangential direction in the phloem. Rays sclerotisised with annual? gaps. 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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