A new generic circumscription of (Leguminosae, Caesalpinioideae, mimosoid clade) with an amphi-Atlantic distribution.

and were established to accommodate four and three species, respectively, that were previously included in different ingoid genera, based primarily on differences in fruit morphology. Both genera have Amazonia as their centre of diversity, extending to Central America and the Brazilian Atlantic Rainforest. Previous phylogenetic evidence showed to be paraphyletic with respect to , and species of and were placed in a large unresolved polytomy with species of .