A cereal grass whose grain is the main ingredient of bread, noodles, and pastries, and one of the world's three major food crops alongside rice and maize.
Potato produces more calories per acre than any other Crop: about 9.2 million kcal, compared to 7.5 million for Corn, 7.4 million for Rice, and just 3 million for Wheat. Its short growing season and tolerance for poor soils explain this.