The root known as High John the Conqueror or John the Conqueror root is said to be the root of Ipomoea jalapa, also known as Ipomoea purga, an Ipomoea species related to the morning glory and the sweet potato. The plant is known in some areas as bindweed or jalap root. It has a pleasant, earthy odor, but it is a strong laxative if taken internally. It is not used for this purpose in folk magic; it is instead used as one of the parts of a mojo bag. It is typically used in sexual spells of various sorts and it is also considered lucky for gambling.