Synonyms
Dioscorea japonica var. formosensis Masam. & Suzuki
Dioscorea belophylloides Prain & Burkill
Dioscorea japonica var. tenuiaxon Prain & Burkill
Dioscorea japonica var. vera Prain & Burkill
Dioscorea goeringiana Kunth
Dioscorea kiangsiensis R.Knuth
Dioscorea fauriei R.Knuth