This name is a synonym of Madagaster andohahelensis (Humbert) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record D72E0088-8424-4BE4-AEBD-109A8DAA4845) with original publication details: 1932.
This name was in version 1 of The Plant List, record gcc-8870, and has not been changed.