Reserpine(利血平), a tranquilizer (镇定剂) and hypotensive agent, from the folklore remedy rauwolfia 、 serpentina(萝芙木属蛇很碱) Periwinkle(长春花), or vinca rosea, n the treatment of diabetes mellitus• Reserpine (利血平), a tranquilizer (镇定剂) and hypotensive agent, from the folklore remedy Rauwolfia serpentina(萝芙木属蛇根碱). • Periwinkle(长春花), or Vinca rosea, in the treatment of diabetes mellitus