Ethnobotanist Dr. Mark Plotkin discusses Brugmansia, some of the most beautiful hallucinogenic plants in the botanical world. Their bright flowers hang like sacred trumpets and have long been used by traditional healers of the Andes-Amazon region as an important component of their medicine chest. Closely related to the ‘hexing herbs’ of European witches of the Middle Ages (as detailed in an earlier episode), these fascinating plants can heal - or harm.