A new species of Astragalus L., Astragalus inanae R.S. Gokturk, O.D. Dusen & Sumbul sp. nov., is described and illustrated. Growth of the new species is restricted to clearings in and under Pinus forest. The diagnostic morphologic characters that separate the present species from the closely allied Astragalus angustiflorus C. Koch subsp. anatolicus (Boiss.) Chamberlain are discussed.