Mescaline Mescaline is legal only for certain religious groups (such as the Native American Church) and in scientific and medical research. In 1990, the Supreme Court ruled that the state of Oregon could ban the use of mescaline in Native American religious ceremonies. The Religious Freedom Restoration Act (RFRA) in 1993 allowed the use of peyote in religious ceremony, but in 1997, the Supreme Court ruled that the RFRA is unconstitutional when applied against states. Many states, including the state of Utah, have legalized peyote usage with "sincere religious intent", or within a religious organization, regardless of race. While mescaline-containing cacti
Psychoactive plant of nitrogen-containing natural products. Examples of psychoactive compounds of plant origin that do not contain nitrogen are tetrahydrocannabinol (a phytocannabinoid from "Cannabis sativa") and salvinorin A (a diterpenoid from "Salvia divinorum"). Psychoactive plant Psychoactive plants are plants, or preparations thereof, that upon ingestion induce psychotropic effects. As stated in a reference work: Psychoactivity may include sedative, stimulant, euphoric, deliriant, and hallucinogenic effects. Several hundred psychoactive plants are known. Some important examples of psychoactive plants include "Coffea arabica" (coffee), "Camellia sinensis" (tea), "Nicotiana tabacum" (tobacco), and "Cannabis" (including hashish). Psychoactive plants have been used ritually ("e.g.", peyote as an entheogen), medicinally