A new species of Pilocarpus (Rutaceae) from northern Brazil. Brittonia 56: 147–150. 2004.—A new species, Pilocarpus trifoliolatus Skorupa & Pirani from Pará, Brazil, is described and illustrated. The new taxon resembles P. microphyllus Stapf ex Wardleworth and P. alatus C. J. Joseph ex Skorupa by its winged rachis and petiole and by its dilated stigma.