Yopo
x10seeds
 
Seeds of Anadenanthera colubrina and Anadenanthera peregrina have been used for centuries as an hallucinogenic snuff by Indians of Argentina and southern Peru. Seeds contain 2-5% tryptamines including bufotenine and dimethyltryptamine (varies between the 2 Anadenanthera species). Anadenanthera peregrina contains mainly dimethyltryptamine and 5-methoxy-dimethyltryptamine, A. colubrina contains mainly bufotenine. The bark and leaves also contain tryptamines