Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

External Websites

Banisteriopsis caapi, thick, climbing, woody vine (liana) of the Malpighiaceae family, native to tropical South America and widely associated with the rainforests of the Amazon basin. It is one of several plants used to make the hallucinogenic drink ayahuasca, which is an important traditional medicine of Indigenous South Americans. The vine is also commonly called ayahuasca, as well as several other names, including caapi, vegetal, and yagé. In the Quechuan languages of South American Indigenous...