This name is a synonym of Melochia argentina R.E. Fr..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50197586) with original publication details: Repert. Spec. Nov. Regni Veg. 13: 237 1914.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:156943-2.
This name was in version 1 of The Plant List, record tro-50197586, and has not been changed.