Huanarpo Macho (Jatropha Macrantha) has a long history of use in herbal medicine in Peru as an aphrodisiac. In herbal medicine systems in Peru, Huanarpo macho is considered aphrodisiac, antitussive, anti-ulcerous, and nervine. It is widely used to restore male sexual potency, and as a male sexual tonic and aphrodisiac.