From past files .
Spreading patch by the big turn in Red Hill trail where the soil turns red.
San Diego County, California, US
Platystemon is a monotypic genus of flowering plants in the poppy family containing the single species Platystemon californicus, which is known by the common name creamcups. It is native to Oregon, California, Arizona, Utah and Baja California, and is found in open grasslands and sandy soils.