Madagascar periwinkle
Image: <p><a href="//commons.wikimedia.org/wiki/User:JDP90" class="mw-redirect" title="User:JDP90">Joydeep</a> </p> (CC BY-SA 3.0)
NameMadagascar periwinkle
Scientific NameCatharanthus roseus
Common NamesMadagascar Periwinkle, Rosy Periwinkle, Cape Periwinkle, Old Maid, Bright Eyes
Plant FamilyApocynaceae
Natural HabitatNative to Madagascar, it thrives in tropical and subtropical regions, often found in coastal areas, open woodlands, and disturbed grounds. It is widely cultivated and naturalized in many warm climates globally.
Parts Usedwhole_plant
Medicinal Actionsanti-inflammatory,antimicrobial,antioxidant,astringent,diuretic
Traditional UsesTraditionally, Madagascar periwinkle has been used in various cultures for treating diabetes, hypertension, malaria, dysentery, and sore throats. In folk medicine, it was also applied topically for wound healing and skin conditions. Modern medicine has isolated potent anti-cancer alkaloids from this plant.
Active ConstituentsVinblastine, Vincristine, Ajmalicine, Serpentine, Catharanthine
Preparation Methodsinfusion,decoction,powder
Contraindications & WarningsHighly toxic if ingested in large quantities due to potent alkaloids. Not for use by pregnant or breastfeeding women. Should only be used under strict medical supervision, especially for its anti-cancer properties, due to severe side effects and potential drug interactions.
Cultivation NotesPrefers full sun to partial shade and well-drained soil. It is drought-tolerant once established and thrives in warm, humid climates. Can be grown from seeds or cuttings and is often cultivated as an annual in cooler zones.
Raritycommon
Description
A herbaceous perennial or subshrub, typically growing up to 1 meter tall, featuring glossy, dark green, oval leaves. It produces five-petaled flowers, commonly pink or white with a darker center, blooming profusely throughout warm seasons.
