Epimedium daiguii C. Zhang, B.L. Guo & Q.R. Liu, a new species of the Epimedium, is found and described from Wuling Mountains, Hunan Province, China. It should be a member of Epimedium sect. Diphyllon ser. Brachycerae due to the distinct minor flower feature. This new species resembles E. elachyphyllum (E. parvifolium) in flower traits. The stout rhizomes, flowering stem with two opposite trifoliolate leaves and paniculate inflorescences of this new species distinguish from E. elachyphyllum with elongated rhizomes, flowering stem with a single leaflet, and simple inflorescences.