This name is a synonym of Callirhoe papaver (Cav.) A.Gray.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50128479) with original publication details: Diss. 2: 64, pl. 15, f. 3 1786.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:561825-1.
This name was in version 1 of The Plant List, record tro-50128479, and has not been changed.