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 50200836) with original publication details: Nov. Gen. Sp. Pl. 3: 73 1845.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:824930-1.
This name was in version 1 of The Plant List, record tro-50200836.