This name is a synonym of Hippeastrum puniceum (Lam.) Voss.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 298574) with original publication details: Amaryllis Manual 123 1949.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:10801-2.
This name was in version 1 of The Plant List, record kew-298574.