This name is a synonym of Paris tetraphylla var. penduliflora J.Murata & T.Yamanaka.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 375755) with original publication details: J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 10: 163 1969.
This name was in version 1 of The Plant List, record kew-375755, and has not been changed.