This name is a synonym of Pouteria atabapoensis (Aubrév.) T.D.Penn..
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 84807) with original publication details: Mem. New York Bot. Gard. 23: 224 1972.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:308329-2.
This name was in version 1 of The Plant List, record kew-84807, and has not been changed.