This name is a synonym of Manilkara subsericea (Mart.) Dubard.
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 120112) with original publication details: Phytologia 4: 104 1952.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:152585-2.
This name was in version 1 of The Plant List, record kew-120112, and has not been changed.