Rice

Rice is a cereal grain and, in its domesticated form, is the staple food of over half of the world's population, particularly in Africa and Asia. Rice is the seed of the grass species Oryza sativa —or, less commonly, Oryza glaberrima. Asian rice was domesticated in China some 13,500 to 8,200 years ago; African rice was domesticated independently in West Africa about 3,000 years ago. Rice has becom... (Wikipedia)