busy_lizzie leaf evening 잎 wood_sorrel_family 꽃 자연 petal 꽃_식물 botany 밤 꽃잎 flowering_plant 꽃 periwinkle 식물 nature flower impatiens plant

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 .