So, that's a synonym for
Anadenanthera colubrina var.
cebil (Griseb.) Altschul
There are plenty of threads on the subject of preparing yopo and cebil seeds. Basically, toast them, grind them up, mix with water and calcium hydroxide, dry this paste and take it from there. But do your reading first.
Start here:
Bufotenine and 5-MeO-DMT “There is a way of manipulating matter and energy so as to produce what modern scientists call 'a field of force'. The field acts on the observer and puts him in a privileged position vis-à-vis the universe. From this position he has access to the realities which are ordinarily hidden from us by time and space, matter and energy. This is what we call the Great Work."
― Jacques Bergier, quoting Fulcanelli