m. abbassi

Onobrychis iranensis is described and illustrated as a new species from central and eastern Iran. The new species is related to O. tavernieraefolia with that it is compared here. Also the pollen morphology of these tow taxa were studied using scanning electron microscopy. The pollen grains are tri-colpate with reticulate ornamentation. Differences are observed in the size of pollen grains and the type of their aperture shape.