Medicago sativa is the botanical name of

Medicago sativa is the botanical name of Alfalfa.
Alfalfa (Medicago sativa), also called lucerne, is a perennial flowering plant in the legume family Fabaceae. It is cultivated as an important forage crop in many countries around the world. It is used for grazing, hay, and silage, as well as a green manure and cover crop.
Raw alfalfa seed sprouts are 93% water, 2% carbohydrates, 4% protein, and contain negligible fat. In a 100 gram reference amount, raw alfalfa sprouts supply 96 kilojoules of food energy and 29% of the Daily Value of vitamin K.