The lucern (Medicago sativa), a leguminous plant having bluish purple cloverlike flowers, and cultivated for fodder; -- so called in California, Texas, etc.
The parts of the alfalfa plant that are used are its leaves. In the Middle East, alfalfa is known as the "father of all herbs." Alfalfa is one of the most nutritious plants on earth and its leaves are rich in calcium, magnesium, potassium, beta-carotene, vitamins A, B-12, C, D, E and K. Alfalfa has also been found to contain all eight essential amino acids. It even contains fluoride which can help prevent tooth decay. Alfalfa is one of the highest fibrous herbs in existence and we are unable to digest its raw leaves.