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Catharanthus roseus, commonly known as bright eyes, Cape periwinkle, graveyard plant, Madagascar periwinkle, old maid, pink periwinkle, rose periwinkle, [2] is a perennial species of flowering plant in the family Apocynaceae.
There are eight known species. Seven are endemic to Madagascar, [4] though one, C. roseus, is widely naturalized around the world. [2] [5] The eighth species, C. pusillus, is native to India and Sri Lanka. [6] The name Catharanthus comes from the Greek for "pure flower". [7] These are perennial herbs with oppositely or almost oppositely ...
The diverse flora of Madagascar holds potential for natural product research and drug production on an industrial scale; the Madagascar periwinkle (Cataranthus roseus), a source of alkaloids used in the treatment of different cancers, is a famous example.
Language of flowers – cryptological communication through the use or arrangement of flowers; Hanakotoba, also known as 花言葉 – Japanese form of the language of flowers; List of national flowers – flowers that represent specific geographic areas
Vinca (/ ˈ v ɪ ŋ k ə /; [2] Latin: vincire "to bind, fetter") is an Old World genus of flowering plants in the family Apocynaceae, The English name periwinkle is shared with the related genus Catharanthus (and with the mollusc Littorina littorea). Some Vinca species are cultivated but have also spread invasively.
Catharanthus lanceus, the lance-leaf periwinkle, grows as a perennial herb up to 1 metre (3 ft) tall. Its fragrant flowers feature white or cream corolla lobes turning pink, reddish-violet or pink-magenta. Its habitat is on volcanic or burned soil, hillside rocks and in open woodland on ridges.
The drugs vinblastine and vincristine, used to treat Hodgkin's disease, leukemia and other cancers, were derived from the Madagascar periwinkle. [20] The traveler's palm, known locally as ravinala [21] and endemic to the eastern rain forests, [22] is highly iconic of Madagascar and is featured in the national emblem as well as the Air ...
Phalaenopsis (/ ˌ f æ l ɪ ˈ n ɒ p s ɪ s /), also known as moth orchids, [2] is a genus of about seventy species of plants in the family Orchidaceae.Orchids in this genus are monopodial epiphytes or lithophytes with long, coarse roots, short, leafy stems and long-lasting, flat flowers arranged in a flowering stem that often branches near the end.