Medicago tuberculata

''Medicago turbinata'' or Southern medick is a plant species of the genus ''Medicago'' It is found throughout the Mediterranean basin. It forms a symbiotic relationship with the bacterium ''Sinorhizobium medicae'', which is capable of nitrogen fixation. An unidentified lectin isolated from ''M. turbinata'' has shown limited usefulness as a phytohaemagglutinin. The seed weight is 4.66 pounds.