Chinese yam Dioscorea polystachya or Chinese yam (Chinese: 山药), also called cinnamon-vine, is a species of flowering plant in the yam family. It is sometimes called Chinese potato or by its Japanese name nagaimo. It is a perennial climbing vine, native to China and East Asia. The edible tubers are… Continue Reading 中国家常菜(鲁菜系列)蒸山药Chinese Amazing Delicious Food(Shandong Cuisine) :Chinese yam