Madagascar Periwinkle
It is native and endemic to Madagascar , but grown elsewhere as an ornamental and medicinal plant, a source of the drugs vincristine and vinblastine used to treat cancer .
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#flower#flowering_plant#傍晚#busy_lizzie#impatiens#自然#leaf#botany#petal#nature#periwinkle#葉子#plant#evening#花_植物#植物#花#wood_sorrel_family
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