Lophophora williamsii

The peyote (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". It is native to southern North America, primarily found in desert scrub and limestone-rich areas of northern Mexico and south Texas, particularly in the Chihuahuan Desert at elevations of 100–1500 meters. It flowers from March to May, and sometimes as late as September. Its flowers are pink or white, with thigmotactic anthers (like Opuntia). It is a small, spineless cactus that grows in clusters, produces edible fruits, and contains psychoactive alkaloids—primarily mescaline—at concentrations of about 0.4% when fresh and up to 6% when dried. Peyote is a slow-growing cactus that can be cultivated more rapidly through techniques such as grafting. While wild populations in regions like south Texas have declined due to harvesting, cultivation a......read more on Wikipedia.