With three leaflets and blue to purple flowers, flowers into a butterfly; node. The pod can feed, rich in protein and fatty acid ( Omegas 3 ) and vitamin K. Is the world's one of the main sources of human protein. So in Arabic is known as the father of food, Alexander the great had McGrady card name to it, and the emperor of Rome it is called" Lucerna", meaning light, because it brings to the survival and development in the light of hope.

Alfalfa seedling can also eat, called" alfalfa sprouts", is a thin and vegetarian love, usually with the mayonnaise and salad, also have the sandwich sandwich or juice.