''Draba corrugata'' is a species of flowering plant in the family Brassicaceae known by the common name Southern California draba. It is native to the eastern Transverse Ranges of southern California, and the

Peninsular Ranges The Peninsular Ranges (also called the Lower California province) are a group of mountain ranges that stretch from Southern California to the southern tip of the Baja California peninsula; they are part of the North American Coast Ranges, which ...

of Southern California and Baja California. It grows in rocky areas. ''Draba corrugata'' is a biennial or perennial herb forming a cushiony basal clump of leaves. Each leaf is long and gray-green in a coat of coarse hairs. The erect inflorescence may bear over 100 mustardlike flowers with yellow petals each under in length. The fruit is an oval-shaped, twisted silique containing many seeds. ;Varieties There are two varieties of this species: #''Draba corrugata'' var. ''corrugata'' is the more common variety, found in Southern and Baja California. #''Draba corrugata'' var. ''saxosa'', the rarer variety, is known only from the

San Bernardino Mountains The San Bernardino Mountains are a high and rugged mountain range in Southern California in the United States. Situated north and northeast of San Bernardino and spanning two California counties, the range tops out at at San Gorgonio Mountain � ...

in San Bernardino County, and the

San Gabriel Mountains The San Gabriel Mountains ( es, Sierra de San Gabriel) are a mountain range located in northern Los Angeles County, California, Los Angeles County and western San Bernardino County, California, United States. The mountain range is part of the Tr ...

in San Bernardino and Los Angeles Counties, Southern California.''D. c.'' var. ''saxosa''
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References

External links

Jepson Manual Treatment — ''Draba corrugata''USDA Plants ProfileCalflora: ''Draba corrugata''''Draba corrugata'' — U.C. Photo gallery
corrugata Flora of California Flora of Baja California Natural history of the California chaparral and woodlands Natural history of the Peninsular Ranges Natural history of the Transverse Ranges {{Brassicales-stub