Anadenanthera is a genus of South American trees in the Legume family, Fabaceae. The genus contains two species, A. colubrina and A. peregrina. These trees are known to the western world primarily as sources of the hallucinogenic snuffs vilca/cebil and yopo/cohoba.

The main active constituent of Anadenanthera is bufotenin.

• Anadenanthera colubrina (Vell.) Brenan
  • Anadenanthera colubrina var. cebil
  • Anadenanthera colubrina var. colubrina
• Anadenanthera peregrina (L.) Speg.
  • Anadenanthera peregrina var. falcata
  • Anadenanthera peregrina var. peregrina

Chemical compounds contained in Anadenanthera include:

• 5-Methoxy-N,N-dimethyltryptamine, bark^[2]
• Serotonin^[2]
• N-Methylserotonin^[2]
• 5-Methoxy-N-methyltryptamine, bark^[2]
• Bufotenin, seeds, bark^[2]
• Bufotenine N-oxide, seeds^[2]
• N,N-Dimethyltryptamine, seeds, pods, bark^[2]
• N,N-Dimethyltryptamine-N-oxide, Seeds^[2]
• N-Methyltryptamine, bark^[2]
• 2-Methyl-6-methoxy-1,2,3-tetrahydro-9H-pyrido[3,4-b]indole^[2]
• 2-Methyl-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indole^[2]
• 1,2-Dimethyl-6-methoxy-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indole^[2]

• Constantino Torres - Anadenanthera: Visionary Plant of South America (2006) ISBN 0-7890-2642-2
• Jonathan Ott - Shamanic Snuffs or Entheogenic Errhines (2001) ISBN 1-888755-02-4
• Richard Evans Schultes - Plants of the Gods (1992) ISBN 0-89281-979-0
• Patricia J. Knobloch - Wari Ritual Power at Conchopata: An Interpretation of Anadenanthera Colubrina Iconography. Latin American Antiquity 11(4), 2000, pp. 387–402.
• Lycaeum > Leda > Anadenanthera
• Juan P. Ogalde, Bernardo T. Arriaza, and Elia C. Soto - Uso de plantas psicoactivas en el north de Chile: evidencia química del consumo de ayahuasca durante el periodo medio (500-1000 d.C.). Latin American Antiquity 21(4), 2010, pp 441–450.

• Society of Ethnobotanical Studies and Modified States of Consciousness
• Who Was Who in the Andean Middle Horizon Prehistory: Plant Identification
• Anadenanthera: Visionary Plant of Ancient South America