Present survey was performed on thirteen species of Salvia from West Azarbaijan in Iran with the aim of illustrating species interrelationships. It includes comparative anatomy of the species based on nutlets transverse sections. These sections were examined using light microscope and detailed description of nutlet anatomical feature for all examined taxa is provided. In this study its found that the nutlets showed a considerable uniformity from anatomical point of view. However these species can be differentiated based on thickness of pericarp layer and parenchymatous layers colour.