Sonoran Desert Naturalist >>> Field Guide >>> Sonoran Desert Flora >>> Onagraceae >>> Oenothera primiveris
Desert Evening Primrose
Photographed along Mesquite Wash, Maricopa Co., Arizona. April 12, 2008.
FLOWERS: Delicate yellow with four cordate
petals, four sepals and a stigma with four lobes. Eight stamens. Blooms mostly
in mid spring, but only in years with adequate rainfallANNUAL: A low
growing annual of spring. Most plants are less than
18 cm tall with most of the leaves growing nearly prostrate.
Onagraceae -- Evening Primrose Family
Desert Field Guide
Sonoran Desert Places
Sonoran Desert Naturalist Home Page