Onobrychis oshnaviyehensis sp. nov. (sect. Hymenobrychis, Fabaceae) from Iran

Onobrychis oshnaviyehensis (Fabaceae) is described and illustrated as a new species. This species, which belongs to the section Hymenobrychis , is confined to northwest Iran (Azarbaijan Province) and is only known from a single population close to the Turkish border.