This name is a synonym of Macrotyloma tenuiflorum (Micheli) Verdc..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13043560) with original publication details: Bull. Soc. Roy. Bot. Belgique 36: 59 1897.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:492194-1.
This name was in version 1 of The Plant List, record tro-13043560, and has not been changed.