Madagascar Periwinkle
NameMadagascar Periwinkle
Scientific NameCatharanthus roseus
Common NamesMadagascar Periwinkle, Rosy Periwinkle, Cape Periwinkle, Old Maid
Plant FamilyApocynaceae
Natural HabitatNative to Madagascar, it thrives in tropical and subtropical regions worldwide. It is often found in sandy or rocky soils, coastal areas, and disturbed grounds.
Parts Usedwhole_plant,leaf,root
Medicinal Actionsdiuretic,astringent,antimicrobial
Traditional UsesTraditionally, the plant was used in folk medicine for various ailments, including diabetes (to lower blood sugar), hypertension, dysentery, malaria, and as an astringent for wounds. Modern pharmaceutical research has isolated powerful anti-cancer alkaloids from this plant, though these are not for traditional self-medication.
Active ConstituentsVincristine, Vinblastine, Ajmalicine, Serpentine, Catharanthine
Preparation Methodsinfusion,decoction,powder
Contraindications & WarningsMadagascar Periwinkle is highly toxic and should never be used for self-medication. Ingesting any part of the plant can cause severe poisoning, including gastrointestinal issues, neurological damage, and bone marrow suppression. It interacts with numerous medications and is strictly for pharmaceutical extraction under medical supervision.
Cultivation NotesThis plant is easily cultivated in warm climates, preferring full sun to partial shade and well-drained soil. It is drought-tolerant once established and can be grown from seed or cuttings, often used as an ornamental annual or perennial.
Raritycommon
Description
Madagascar Periwinkle is an evergreen subshrub or herbaceous perennial, typically growing up to 1 meter tall. It features glossy, dark green, oval leaves and five-petaled flowers that can be pink, white, or purple, often with a contrasting darker eye.
