This study w as initiated to discrim inate som e Onobrychis taxa having great diversity in A natolia from their seed-coat sculptures vvith SEM (Scanning E lectron M icroscopy). D iagnostic differences in high m agnifications vvere observed on the seed surfaces of eleven taxa exam ined. The patterns found in close related species m ay also be useful as additional param eters to the delineations but no any general characteristics exam plified on the section level vvere identifıed.