[Wikipedia] Culinary Uses: The leafstalks (a year old or younger) and flower stalks can be eaten raw or cooked. The roots are edible boiled with a change of water,[11] though become too woody to eat in plants over a year old (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: 03/28/2025).