[10000thingsofthepnw.com] Etymology: Etymology of names–Synthyris is from Greek and means ‘united valves’, which refers to the valves of the fruit adhering to the placental axis. The specific epithet reniformis references the vaguely kidney shaped leaves of this plant. (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: 03/30/2025).