It is prepared with the Banisteriopsis caapi vine, usually mixed with leaves of dimethyltryptamine-species of shrubs from the genus Psychotria, which are found in the Amazon jungle in Peru where Gorman conducts his work.
Psychotria capensis (Eckl.) Vatke is a Southern African evergreen shrub or small tree occurring along the east coast from Knysna through the Eastern Cape and KwaZulu-Natal, Mpumalanga, Northern Cape, Mozambique and Zimbabwe.
"It is said that a boy should rub leaves of tapesi'i (Cephalia sp. 1) or leaves of Psychotria colorata (tapi'ika'a), both of which are in the madder family, between his hands so that upon maturity he will be able to fashion well the manioc press (tapesi), an exclusive task of men" (Balée 1994: 107).