Streptanthus gracilis is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere).
[Description] Distribution, Habitat: Streptanthus gracilis is an uncommon species of flowering plant in the mustard family known by the common name alpine jewelflower.[1] Distribution: It is endemic to California, where it is known only from the Kings-Kern Divide in the Sierra Nevada, a series of high mountain peaks near the intersection of Tulare, Fresno, and Inyo Counties. It grows in weathered rocky habitat such as talus. (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: 04/03/2025).