Polymnia is a genus of American plants in the sunflower family. It is the only genus in the tribe Polymnieae. Several species are known by the common name leafcup.SpeciesPolymnia aspera (Mart.) Mart. ex DC. - Mexico Polymnia canadensis L. - Ontario, much of eastern + central United States Polymnia cocuyensis Cuatrec. - Boyacá in Colombia Polymnia cossatotensis Pittman & V.M.Bates - Arkansas Polymnia johnbeckii D.Estes - Tennessee Polymnia laevigata Beadle - MO KY TN AL GA FL Polymnia quichensis J.M.Coult. - Costa Rica, Guatemala Polymnia sonchifolia Poepp. - BoliviaFormerly included