[Wikipedia] Flower Description: The umbel contains as many as 150 small flowers, each with tepals less than a centimeter long, pink to white with darker red midveins. Anthers are yellow or purple; pollen yellow or white.[6][7][8] (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).