Hedysarum turcicum, a new species endemic to Inner Anatolia, Turkey, is described and illustrated. The new species belongs to sect. Mullicaulia in Hedysarum (Fabaceae) and it is related to H. elegans, H. cappadocicum, and H. persicum. Its description, images, chorology, and ecology, are provided. The diagnostic morphological characteristics, as well as a full description, ecological characteristics, and distribution data are given.