What Poison found on cactus?

The poison commonly found in cacti is called "cactaceae alkaloids," which can include compounds like mescaline, particularly in species such as peyote. These alkaloids can produce hallucinogenic effects and are often associated with traditional use in certain indigenous cultures for spiritual and medicinal purposes. While not all cacti are toxic, some can cause gastrointestinal distress if ingested. It's essential to properly identify the species before consumption.