[Wikipedia] Etymology: The genus name, Plagiobothrys, is derived from Greek to mean "sideways pit" and describes the position of nutlet attachment scar. (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: 05/12/2025).