Medicago constricta is species of flowering plant in the family Fabaceae. It is an annual, non-climbing plant found in the Mediterranean basin from Greece to Israel. M. constricta is found primarily in sandy clay or dry soils. It forms a symbiotic relationship with the bacterium Sinorhizobium meliloti, which is capable of nitrogen fixation.
↑Heyn, Chaia Clara (1963). The Annual Species of Medicago. Jerusalem, Israel: The Magnes Press, The Hebrew University. pp.108–111.
↑Lesinš, Karlis Adolfs; Lesinš, Irma (1979). Genus Medicago (Leguminosae). The Hague, The Netherlands: Dr. W. Junk bv Publishers. pp.176–179. ISBN90-6193-598-9.