[Wikipedia] Limited Range, Habitat, Blossom Description: It is endemic to California, where it is limited to the Central Valley and adjacent Sierra Nevada foothills. It occurs on dry hillsides, especially with volcanic soils. The white flower is somewhat bowl-shaped with shiny, glasslike vesicles in the center. The six stamens have purplish anthers. (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: 03/30/2025).