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#tropical flower #island flower #madagascar periwinkle #catharanthus roseus #pink periwinkle #rosy periwinkle

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#madagascar periwinkle #catharanthus roseus #medicinal plant #cancer treatment #vincristine #vinblastine #chemotherapy #alkaloid

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#madagascar periwinkle #catharanthus roseus #vinca rosea #madagascar

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#madagascar periwinkle #catharanthus roseus #madagascar flower #vinca rosea #bright eyes