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Yellow Sun Cup

Camissonia brevipes

photo © by Michael Plagens

Photographed in the Plomosa Mountains, La Paz Co., Arizona. 01 March 2009.

FLOWERS: February-March. Four bright yellow petals. Eight stamens and four branches to stigma. Unopened flower buds nod downwards.

RANGE: Western portions of the Sonoran Desert in Arizona and ranging into the Mojave Desert of California and Nevada.

ANNUAL: Low, herbaceous annual with most of leaves basal, i.e. at ground level. Growing from desert pavement and rocky slopes, the plants are rarely taller than 15 cm.

FRUIT: Dry, cylindrical capsules develop below the flower and are about ½ cm long.

LEAVES: Leaves are elongate and may be partially divided by deep marginal teeth.

UNARMED. No thorns/spines.

Onagraceae -- Evening Primrose Family

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Copyright Michael J. Plagens, 1999-2009