Shandong Lunan area (Tengzhou) is called sweet potato, Yunnan Guizhou is called taro or potato, Guangxi is called sweet potato (in fact, most areas in Guangxi are still called potatoes, and in some places white potatoes and red potatoes are called winter taro), Shanxi is called yam egg, Anhui is also called sweet potato, and most provinces in Northeast China are called potatoes. Hebei area is called yam and yam. Potatoes are also called potatoes, yam, yam, yam eggs, steamed eggs and sweet potatoes (commonly known in Hong Kong and Guangzhou).