[wikipedia] Range, Habitat, Rarity: The wildflower is endemic to California, found only above the southeastern San Joaquin Valley within Kern County and Tulare County.[2] It is known only from the western Tehachapi Mountains and southernmost Sierra Nevada foothills, at elevations of 135?1,250 metres (443?4,101 ft).[2][7][8] It grows in open California oak woodland habitat, in bare rocky soils around granite outcrops.[2][7] It is a listed Endangered species on the California Native Plant Society Inventory of Rare and Endangered Plants. (contributed by Mary Ann Machi)