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Catharanthus roseus is an evergreen subshrub or herbaceous plant growing 1 m (39 in) tall. The leaves are oval to oblong, 2.5–9 cm (1.0–3.5 in) long and 1–3.5 cm (0.4–1.4 in) wide, glossy green, hairless, with a pale midrib and a short petiole 1–1.8 cm (0.4–0.7 in) long; they are arranged in opposite pairs.
The name Catharanthus comes from the Greek for "pure flower". [7] These are perennial herbs with oppositely or almost oppositely arranged leaves. Flowers are usually solitary in the leaf axils. Each has a calyx with five long, narrow lobes and a corolla with a tubular throat and five lobes. [7]
All following user names refer to en.wikipedia. Date/Time Dimensions User Comment 2016-11-05 10:37: ... File:A white colored, Catharanthus Roseus flower.jpg.
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 roseus yields alkaloids used in the treatment of cancer. [22] [23] Tabernanthe iboga, Voacanga africana, and Tabernaemontana undulata contain the alkaloid ibogaine, which is a psychedelic drug which may help with drug addiction, but which has significant adverse effects, [24] [25] with ibogaine being both cardiotoxic and neurotoxic ...
Many of these plants are used intentionally as psychoactive drugs, for medicinal, religious, and/or recreational purposes. Some have been used ritually as entheogens for millennia. [1] [2] The plants are listed according to the specific psychoactive chemical substances they contain; many contain multiple known psychoactive compounds.
The Madagascan periwinkle Catharanthus roseus L. is the source for a number of important natural products, [1] including catharanthine and vindoline [2] and the vinca alkaloids it produces from them: leurosine and the chemotherapy agents vinblastine [3] and vincristine, [4] all of which can be obtained from the plant.
The compounds catharanthine and vindoline are naturally produced within the leaves of C. roseus plants. The C. roseus plant is a member of the Apocynaceae family, which are flowering plants that are found primarily in tropical and subtropical areas of the world. [3] C. roseus are poisonous but medically useful