Medicago constricta is an annual, non-climbing species of the genus Medicago.[1] It is found in the Mediterranean basin from Greece to Israel.[2]M. constricta is found primarily in sandy clay[3] or dry soils.[4] 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.