Camissonia bistorta (Torrey & A. Gray) Raven

Common name: California sun cup

Family: Onagraceae (the evening primrose family)

Native sandy openings in coastal sage scrub, chaparral & grassland

Click on links below to see:

Another photo of plant

Another photo of plant

External links:

Images, distribution and species description from the Berkeley Digital Library & the Jepson Manual

Information from the CalFlora database