Wei Collection, Upper Volume Radical: Bamboo (zhú) 簢 Kangxi Stroke Count: 18 Page 899, Entry 16 Pronounced min (rising tone). The center of the bamboo is hollow, which can be used to make mats. Erya (Erya): "The wan (the plant), is a type of bamboo." Commentary: This refers to its hollow center, belonging to the bamboo category. Seng Zanning's Bamboo Shoot Manual (Sun Pu): The wan shoot is tender and its nodes are soft and thin. Guangyun (Guangyun): Also written in a variant form.