This name is a synonym of Abrahamia thouvenotii (Lecomte) Randrian. & Lowry.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 1300055) with original publication details: Bois Forêt Analamazaotra 73 1922.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:70327-1.
This name was in version 1 of The Plant List, record tro-1300055.