for the kanji , as .

The original Chinese name, , appeared in Chinese herbology literature such as the 1329 Daily Use Materia Medica ???? and the 1578 Compendium of Materia Medica ????. It is a jukujikun (Chinese reading) of another Sinitic term ?? (Yajiao) "duckfeet" in reference to its leaves, attested in 11th century