[swbiodiversity.org] Etymology: Pectocarya is from the Greek pectos, combed and karua, nut; platycarpa is from the Greek platys (broad) and karpos (fruit). (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: 03/31/2025).