Mesca psychedelic hallucinogen obtained from the small, spineless cactus (Lora williamsi), the San Pedro cactus, Peruvian torch cactus, and other mescaaining cacti. It is also found in certain members of the Fabaceae (bean family) and is produced synthetically.
Like most psychedelic hallucinogens, mescaot sically addictive; however, it can cause tolerance meaning higher doses are need to achieve the same hallucinogenic effect. Mescaaining cacti can induce severe vomiting and nausea, which is an important part to traditional Native-American or Shaman ceremonies and is considered a cleansing ritual anda spiritual aid.