[Wikipedia] Range, Habitat, Description: It is native to the coastal mountain ranges of California and southern Oregon, where it grows in wooded areas. This is a taprooted perennial herb producing an erect, hollow stem to heights generally between 1 and 2 meters. (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: 04/28/2025).
