Black ginger, a plant of the genus zingiberaceae kaempferia, commonly grows in the tropical asia. Consumer advisory consuming raw or under cooked meats, poultry, seafood, shellfish or eggs may increase your risk of food borne illness. the black ginger (kaempferia parviflora) is an herbaceous plant that belongs to the zingiberaceae family (ginger family). According to a study, black ginger is known as natural viagra because it contains a large number of pde5 inhibitors, which act like viagra, but without negative side effects. Ginger is a flowering plant whose rhizome, ginger root or ginger, is widely used as a spice and a folk medicine. It is a herbaceous perennial which grows annual pseudostems about one meter tall bearing narrow leaf blades. The inflorescences bear flowers having pale yellow petals with purple edges, and arise directly from the rhizome on separate shoots. Ginger is in the family zingiberaceae, which also includes turmeric, cardamom, and galangal. black ginger or kaempferia parviflora is an herbaceous plant that belongs to the ginger family. Black ginger is used in traditional medicine in thailand, since ancient times, as a natural testosterone booster. It has traditionally been used as food and folk medicine for several 1000 years in thailand.