[Wikipedia] Etymology: Pelargonium comes from the Greek pelargos, which means stork. Another name for pelargoniums is storks bills due to the shape of their fruit. The epithet capitatum refers to the head shaped flowers leaves. (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).