This name is a synonym of Malagasia alticola (Capuron) L.A.S. Johnson & B.G. Briggs.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26500822) with original publication details: Adansonia, n.s. 3(3): 370–372, t. 1 1963.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:705187-1.
This name was in version 1 of The Plant List, record tro-26500822, and has not been changed.