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.
- Species
- Polymnia 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. - Bolivia
- Formerly included
