Tovomita megantha, a new species presumably endemic to submontane Atlantic Forest in southern Bahia, Brazil is described, illustrated, and its diagnostic features compared to those of similar species. The new species belongs to the informal group Chrysochlamydifoliae. It differs from Tovomita choisyana and Tovomita longifolia by having much larger pedicels, flower buds, and floral diameters. The species here described is the tallest of the known species of Tovomita in the Atlantic Forest.