This name is a synonym of Imerinaea madagascarica Schltr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 151008) with original publication details: Mém. Inst. Sci. Madagascar, Sér. B, Biol. Vég. 6: 262 1955.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:650404-1.
This name was in version 1 of The Plant List, record kew-151008, and has not been changed.