Amaranth Red are nutritious, edible leafy vegetables of Central American origin. Amaranth leaves and grains were one of the staple foods of Aztecs and Incas in pre-Columbian times. Presently, its growth is mainly concentrated in tropical climates of Latin Americas, Asia, and Africa. Botanically, amaranth belongs to the family of Amaranthaceae, in the genus; Amaranthus. Scientific name: A. dubius. Amaranth grows all around the world in tropical and subtropical environments. Several cultivars of amaranth grown meant either for vegetable leaves or grain. Botanically, amaranth species meant for their leaves are different from those grown for the purpose of grains (pseudocereals).