This name is a synonym of Akebia trifoliata (Thunb.) Koidz..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bull. Natl. Sci. Mus., Tokyo, B. 31: 134 2005.
This name was in version 1 of The Plant List, record kew-2603426.