This plant is toxic to
cows and people.Ammocallis rosea (L.) Small
Lochnera rosea (L.) Rchb. ex Spach
Vinca rosea L.
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Catharanthus roseus (L.) G. Don Vinca rosea, Madagascar periwinkle
The Madagascar periwinkle is a native of Madagascar, now endangered there, but cultivated and naturalized in subtropical and tropical areas elsewhere. Identification: 24-36" (60-91 cm) in height. Leaves are dark green, glossy, oval, up to 5" (12 cm) long x 2" (5 cm) wide. Flowers have five petals and are rose pink. (There are many cultivars with red, purple, and white flowers too. Cultivars may have brighter or contrasting coloration at the center of the bloom.) When broken, stems exude a sticky white sap. Edibility: Poisonous Medical: Madagascar periwinkle has been used to treat wasp stings, arrest bleeding, reduce sore throats, an eyewash, for menorrhagia and rheumatism, diabetes, asthma, flatulence, tuberculosis, dyspepsia, indigestion, malaria, high blood pressure, and dysmenorrhea. Though it bears mention that each culture applied the plant for a different one of these purposes, calling these uses into question. But in recent years, this periwinkle has attracted serious medical attention because it contains several alkaloids of use in treating several cancers. See the National Tropical Botanical Garden article. Online References:
Catharanthus roseus on Wikipedia Catharanthus roseus at the National Tropical Botanical Garden Catharanthus roseus on floridata.com Catharanthus roseus on ARKive: Images of Life on Earth Catharanthus roseus on CalPhotos Catharanthus roseus on Forest and Kim Starr’s Starr Environmental site Catharanthus roseus at the University of Florida Institute of Food and Agricultural Sciences Catharanthus roseus description by Thomas H. Kent, last updated 25 May 2020.
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2/24/2010 · San Diego (Quail) Botanic Garden, Encinitas, California Range:
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