Isopyrum is a genus of flowering plants of the family Ranunculaceae native to Eurasia. The North American genus Enemion is sometimes treated as part of it.
Species
The list may not be complete or up-to-date. Many of the species formerly placed in Isopyrum are now placed in other genera of the Ranunculaceae, especially Enemion and Dichocarpum. Accepted species include: Isopyrum anemonoides Kar. & Kir Isopyrum ludlowii Tamura & Lauener Isopyrum manshuricum (Komarov) Komarov ex W. T. Wang& Hsiao Isopyrum thalictroides L.
Synonyms include: Isopyrum arisanense (Hayata) Ohwi = Dichocarpum arisanense (Hayata) W.T.Wang & P.K.Hsiao Isopyrum auriculatum Franch. = Dichocarpum auriculatum (Franch.) W.T.Wang & P.K.Hsiao Isopyrum dicarpon Miq. = Dichocarpum dicarpon (Miq.) W. T. Wang & Hsiao Isopyrum hakonense Maekawa & Tuyama ex Ohwi = Dichocarpum hakonense (Maekawa & Tuyama ex Ohwi) W.T. Wang & Hsiao Isopyrum hallii A. Gray=Enemion hallii (A. Gray) J. R. Drumm. & Hutchinson Isopyrum leveilleanum Nakai = Semiaquilegia adoxoides (DC.) Makino Isopyrum nipponicum Franch. = Dichocarpum nipponicum (Franch.) W. T. Wang & Hsiao Isopyrum numajirianum Makino = Dichocarpum numajirianum (Makino) W. T. Wang & Hsiao Isopyrum pterigionocaudatum Koidz. = Dichocarpum nipponicum (Franch.) W. T. Wang & Hsiao Isopyrum stoloniferum Maxim. = Dichocarpum stoloniferum (Maxim.) W. T. Wang & Hsiao Isopyrum trachyspermum Maxim. = Dichocarpum trachyspermum (Maxim.) W. T. Wang & Hsiao Isopyrum uniflorum Aitch. & Hemsl. = Paraquilegia uniflora (Aitch. & Hemsl.) J. Drumm. & Hutch.