Tapak dara is an annual shrub originating from Madagascar, but has spread to various other tropical areas. The scientific name is Catharanthus roseus (L.) Don. In Indonesia, this ornamental yard plant is known by various names.Tapak dara leaves can function as a natural medicine for type 2 diabetes. The leaves and flowers are used to control high blood sugar. The method is to make herbal tea from the leaves and flowers of tapak dara, then consume it in the morning.