Cyril Ruoso / Woman with baby collecting Madagascar periwinkle (Catharanthus roseus) flowers and leaves, used in herbal medicine, and containing molecules which are used in the treatment of leukemia cancer. Berenty...

Cyril Ruoso / Woman collecting Madagascar periwinkle (Catharanthus roseus) flowers and leaves, used in herbal medicine, and containing molecules which are used in the treatment of leukemia cancer. Berenty, Madagasc...

Cyril Ruoso / Woman collecting Madagascar periwinkle (Catharanthus roseus) flowers and leaves, used in herbal medicine, and containing molecules which are used in the treatment of leukemia. Berenty, Madagascar.

Konrad Wothe / Rosy Periwinkle (Catharanthus roseus) flowers, Madagascar

Simon Colmer / Madagascar periwinkle (Catharanthus or Vinca roseus) Medicinal plant: used to cure hypertension, kidney failure, malaria and diabetes. Used in the treatment of leukemia.

Kevin Schafer / Rosy Periwinkle (Catharanthus roseus) leaves and flowers used for anti-cancer medicine, Madagascar

Adrian Davies / Madagascar periwinkle (Catharanthus roseus) which is cultivated for herbal medicine

John Cancalosi / Madagascan Periwinkle (Catharanthus roseus)

Doug Wechsler / Madagascar / Rosy periwinkle (Catharanthus roseus)source of cancer cure, Madagascar

Nick Garbutt / Madagascar Periwinkle {Catharanthus roseus} Madagascar

Pete Oxford / Madagascar periwinkle (rosy) {Catharanthus roseus} Madagascar source of cancer drug