Medicago sativa x Medicago arborea. <br/>
Species composition of Arborea101 - Medicago sativa (circa 50%, M8 22% (see Plants 2013. 2, 343-353), MBms 21% (see Ibidum), 'Pegesis' 3%, 'Rebound' 2%, Clone 6-4ms 2% (see Medicago genetic reports vol. 10, 2010)