[Wikipedia] Range, Description: It is endemic to California, where it is known from the southern Sierra Nevada and its foothills and the adjacent Transverse Ranges. The sepals stay fused as the petals bloom from one side. The petal has a narrow claw and a wider blade which has two lobes at the tip with a small tooth between. (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: 03/29/2025).
