Medicago falcata

''Medicago falcata'' is a plant species of the genus ''Medicago''. It is native to the Mediterranean basin, but is found throughout the world. It forms a symbiotic relationship with the bacterium ''Sinorhizobium meliloti'', which is capable of nitrogen fixation. Its common names include yellow lucerne, sickle alfalfa, yellow-flowered alfalfa, yellow alfalfa, sickle medick and yellow medick.