This name is a synonym of Achyranthes splendens var. atollensis (H.St.John) Govaerts.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Pacific Sci. 33: 334 1979 publ. 1980.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:58666-1.
This name was in version 1 of The Plant List, record kew-2617504, and has not been changed.