This name is a synonym of Maerua parvifolia Pax.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 5900563) with original publication details: Kew Bull. 1924, 225 1924.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:147725-1.
This name was in version 1 of The Plant List, record tro-5900563, and has not been changed.