{{:wiki:huachuma250px.jpg?nolink |}}**Huachuma**, //Achuma, Wachuma, Aguacolla, San Pedro//, (//Echinopsis pachanoi// syn. //Trichocereus pachanoi//), is a fast-growing, columnar **//psychedelic//** cactus endemic to the Andes Mountains, found in Argentina, Bolivia, Chile, Ecuador and Peru. The effects come primarily from the phenethylamine alkaloid //mescaline//, and has a long history of use in **Andean** traditional medicine dating back 2000 years. Effects typically last around 12 hours.