This name is a synonym of Melochia arenosa Benth..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50200837) with original publication details: Fl. Bras. 12(3): 44 1886.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:156984-2.
This name was in version 1 of The Plant List, record tro-50200837.