Potatoes, Green Peppers, and Pork Shreds

Why is it so hard to think of the potato as a Chinese vegetable?

Potatoes came to China, as they came to Europe, after the discovery of the New World. Even though they were not greatly liked, they spread quickly, and were soon cultivated all over China. Sinification did not change the spud; and, according to Mrs. Chiang, Szechwanese potatoes are exactly the same as the ones from Maine or Idaho. The difference lies in the way the potatoes are cooked. Mrs. Chi