Potatoes, also known as potato, potato head, sweet potato, potato, potato and so on. It is the fourth largest food crop in the world, second only to wheat, rice and corn. Potatoes are native to the Andes in South America and have been planted in southern Peru from 8000 to 5000 BC.

China people have a short history of eating potatoes, and it was not until the discovery of geography and the opening of new air routes that they "spread from west to east" and gradually entered the recipes of China people. According to various data, it can be concluded that potato cultivated in China originated in Europe and is the descendant of European potato. Potatoes were first introduced to China. Because its appearance is similar to that of traditional taro, and it also comes from underground, people regard it as a kind of taro and steam or cook it according to the way of cooking taro.

Brief introduction of potato morphological characteristics

The upper stems of potatoes are diamond-shaped and hairy. The primary leaves of potato are simple and complete. With the growth of plants, odd-numbered and unequal-length pinnate compound leaves are gradually formed. Leaflets often alternate in size and are 10 ~ 20 cm long; Petiole is about 2.5 ~ 5 cm long; Leaflets, 6 ~ 8 pairs, ovoid to oblong, the largest can reach 6 cm long and 3.2 cm wide, the smallest length and width is less than 1 cm, the apex is pointed, the base is slightly unequal, and it is entire.

White and fluffy on both sides, with 6 ~ 7 lateral veins on each side, slightly curved apex and petiole about 1 ~ 8 mm long. Potato is a terminal corymb with white or blue-purple flowers; Calyx bell-shaped, about 65438 0 cm in diameter, sparse outside, 5-lobed, lobes lanceolate, apex long and tapering.

Above content reference: Baidu Encyclopedia-Potato