Sonoran Desert Naturalist >>> Field Guide >>> Sonoran Desert Flora >>> Nyctaginaceae >>> Allionia incarnata

Trailing Four O'Clock

Allionia incarnata

Photo by Stan Shebs

This photo was taken just outside Red Rock Canyon, Nevada, April 2005 by Wikimedia User:Stan Shebs.

Several Allionia incarnata were found growing along King Solomon Wash in the Wickenburg Mountains of Yavapai Co., Arizona that were being devoured by caterpillars of Five-lined Sphinx (Hyles lineata).

SPRING ANNUAL: Begins blooming mid spring. Some plants may survive into summer. Usu. grows along prostrate on ground, appearing vine-like.

LEAVES: Leaves and stems are all covered with sticky-glanded hairs. Simple, opposite leaves are somewhat heart-shaped.

FLOWERS: Each 'flower' is a cluster of usually three flowers grouped together by short bracts. The perianth is magenta-pink. Blooms mid spring and spradically through summer and fall, moisture depending.

FRUIT: Small, flattened, odd-looking achenes, 4 mm, with edges curled.

RANGE: Common along sandy washes in Sonoran Desert.

UNARMED:

Nyctaginaceae -- Four O'Clock Family

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Copyright Michael J. Plagens, 1999-2008