Peyote Cactus
Lophophora williamsii
Peyote, also known as Lophophora williamsii, is a small, spineless cactus which contains psychoactive alkaloids, particularly mescaline. Peyote is a Spanish word derived from the Nahuatl peyōtl, meaning "caterpillar cocoon", from a root peyōni, "to glisten".
Genus: Lophophora