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''Draba corrugata'' is a species of flowering plant in the mustard family known by the common name Southern California draba. It is native to the eastern Transverse Ranges of southern California, and the Peninsular Ranges 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.〔(Jepson: ''D. c.'' var. ''corrugata'' )〕〔(CalPhotos: ''D. c.'' var. ''corrugata'' )〕 #''Draba corrugata'' var. ''saxosa'', the rarer variety, is known only from the San Bernardino Mountains in San Bernardino County, and the San Gabriel Mountains in San Bernardino and Los Angeles Counties, Southern California.〔(''D. c.'' var. ''saxosa'' )〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Draba corrugata」の詳細全文を読む スポンサード リンク
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