Maize (corn): Archaeologists tell us that maize was domesticated in the new world about 5000 B.C. It came from a grain called teosinte.
4a. Mahindi: Wataalamu wa elimukale wantuambia kuwa mahindi yalianza kulimwa kwa ajili ya kuzalisha chakula Marekani karibu mwaka 5000 KK. Yalitokana na punje zinazoitwa teosinte.