Genus
Clarkia (Clarkias)
Clarkia purpurea quadrivulnera. Photo: Unknown, no known copyright restrictions (public domain)
Clarkia is a genus within the flowering plant family Onagraceae. Over 40 species are currently classified in Clarkia; almost all are native to western North America, though one species (Clarkia tenella) is native to South America.