Zelkova serrata (Japanese zelkova, Japanese elm or keyaki; Japanese:榉 (ケヤキ) keyaki /槻 (ツキ) tsuki; Chinese:榉树/榉树 jǔshù; Korean:느티나무 neutinamu) is a species of flowering plant native to Japan, Korea, eastern China and ******. It is often grown as an ornamental tree, and used in bonsai.