What are all the staple foods?

Potato (scientific name: Solanumtuberosum, English: potato), Solanaceae, annual herbaceous plants, also known as potatoes, eggs, yams and so on. Potato artificial cultivation of the earliest can be traced back to about 8000 BC to 5000 years in southern Peru. Potato, 15-80 cm tall, glabrous or sparsely pilose. The stem is divided into two parts: the above-ground stem and the underground stem. Potato is one of the five staple foods in China, with high nutritional value, high adaptability and high yield, and is the third most important food crop in the world, after wheat and corn.