Jupunba curvicarpa, commonly known as orelha de negro, is a species of flowering plant of the genus Jupunba in the family Fabaceae. It is a tree native northern and northeastern Brazil, French Guiana, and Guyana. It grows in lowland tropical rainforest, including non-flooded (terre firme) forest, mixed forest, on river banks, and near swamps. It range includes the Guianan moist forests, Guianan freshwater swamp forests, UatumaâÂÂTrombetas moist forests, Marajó várzea forests, and AmazonâÂÂOrinocoâÂÂSouthern Caribbean mangroves ecoregions.
Two species are accepted.