2000 John Game Rick York and CNPS 2008 Virginia Moran 2008 Virginia Moran
Sidalcea stipularis is a perennial herb (rhizomatous) that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).
State of California status: Endangered.
[Wikipedia] Conservation, Endangered Species Status: Threats to this rare species include the invasion of Himalayan blackberry (Rubus armeniacus) into its habitat. One of the two occurrences is next to a road where there is heavy CalTrans activity.
The plant has no federal protection but it is a state-listed endangered species in California, which means that killing or possessing this species is prohibited unless permitted by the California Department of Fish and Game (California Fish and Game Code Section 2080). (contributed by Mary Ann Machi)
0000 0000 1101 0382:!0000 0000 0502 1213:!0000 0000 0808 1963:!0000 0000 0808 1964:!
2000 John Game:!Rick York and CNPS:!2008 Virginia Moran:!2008 Virginia Moran:!
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2023. Berkeley, California:The Calflora Database
[a non-profit organization].Available: