This name is a synonym of Hippeastrum caiaponicum (Ravenna) Dutilh.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 298602) with original publication details: Pl. Life 38: 64 1982.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:10822-2.
This name was in version 1 of The Plant List, record kew-298602, and has not been changed.