⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-239730, with some changes.
This name is a synonym of Dioscorea nipponica .
The record derives from WCSP which reports it as a synonym (record 239730
) with original publication details: J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 73(2 Suppl.): 7 1904 publ. 1905.