Home | Arizona y Sonora > Desert wildflowers > Yellow to yellow-orange flowers > Yellow evening primrose
![[Pale yellow flowers set off by dark green leaves): 20k]](../../../images/wfyelprm.gif)
(Camissonia brevipes)
Common names: sundrop.
Annual herb, Evening Primrose Family.
Blooms February-May, Arizona and California deserts.
3-5 inches (7-14 cm) high from a basal rosette of single leaves with deep notches and sharp lobes.
Delicate blooms open late in the evening and stay open until just after sunrise, longer on cloudy days.
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