Dingxi potato, a special product of Dingxi City, Gansu Province, China's national geogracal indication products.
Potatoes have been cultivated in Dingxi for more than 200 years. Dingxi potato is a perennial herb, but cultivated as an annual or two seasons a year. Underground tubers are round, oval, oval, etc., with eyes and red, yellow, white or purple skin. Above ground, the stems are prismatic, hairy, with odd pinnate compound leaves. Cyme terminal, white, red, or purple; Berries srical, green or purplish brown; Seed kidney shaped, yellow.