Peyote Cactus ( Lophophora Williamsii )
Peyote, (Lophophora Williamsii), also called mescal button, species of hallucinogenic cactus (family Cactaceae). Peyote is found only on limestone soils of the Chihuahuan desert of southern Texas and northern Mexico. Peyote (Lophophora Williamsii) is the sacred cactus of the Native American Church. The green parts are harvested for their mescaline, a potent entheogen. These specimens …