[Wikipedia] Madagascar native: Catharanthus roseus, commonly known as bright eyes, Cape periwinkle, graveyard plant, Madagascar periwinkle, old maid, pink periwinkle, rose periwinkle, is a perennial species of flowering plant in the family Apocynaceae. It is native and endemic to Madagascar, but grown elsewhere as an ornamental and medicinal plant. It is a source of the drugs vincristine and vinblastine, used to treat cancer. It was formerly included in the genus Vinca as Vinca rosea. (contributed by Mary Ann Machi)
[Cal-IPC] Invasive: Catharanthus roseus (Madagascar periwinkle) is a herb/ (family Apocynaceae) with pink flowers and oval shaped leaves found in the south coast and desert ranges of California. It is native to Madagascar. It favors dunes, grasslands, and scrub and chaparral habitat. It spreads via seeds and is easily cultivated. Seeds are dispersed by ants, water, wind and dumped garden waste.
Cal-IPC Rating: Watch (contributed by Mary Ann Machi)
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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: