Stem vegetables refer to the roots or stems used, such as lotus root, cassava, potato, sweet potato, yam, taro, Jerusalem artichoke, pinellia, manna (grass caddis), ginger, onion, water chestnuts , radish, etc.

Stem vegetables are vegetables that use the tender stems or abnormal stems of plants as their edible parts. According to the growth environment of the feeding part, they can be divided into above-ground stem vegetables and underground stem vegetables. Above-ground stem vegetables include wild rice, bamboo shoots, kohlrabi and mustard. Underground stem vegetables include potatoes, lotus roots, ginger, taro and water chestnuts.