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Sonoran Silverbush

Argythamnia brandegeei

Argythamnia brandegeei, photo © by Michael Plagens

Observed in the Muggins Mountains Wilderness, Yuma Co., Arizona, USA. 30 Jan. 2010.

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RANGE: Found only in far southwest Arizona near Yuma and southward into Sonora and Baja California, Mexico.

SHRUB: A tall, up to 3 m, few-branched shrub with smoooth whitish stems. Leafless for part or most of year during drought period. Sap clear.

LEAVES: Elyptical, dark green leaves are alternate and clustered towards the ends of branches. The margins are lightly serrate and the veins prominent below.

Argythamnia brandegeei, photo © by Michael Plagens

FLOWERS: Whitish-green clusters of small flowers occur in the leaf axils at top of plant

FRUIT: Three-valved capsules.


Euphorbiaceae -- Spurge Family

More Information:

Sonoran Desert Field Guide
Sonoran Desert Places
Sonoran Desert Naturalist Home Page


Copyright Michael J. Plagens, 1999-2010