Paullinia
Synonyms
Barbasco
Barbascos
Guarana
Guaranas
Paullinia cupana
Paullinia cupanas
Paullinia pinnata
Paullinia pinnatas
Paullinias
cupana, Paullinia
pinnata, Paullinia
A plant genus of the family SAPINDACEAE. The seed of P. cupana is the source of guarana powder which contains 4% CAFFEINE.