[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. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 04/02/2025).
one or more occurrences