This name is a synonym of Zantedeschia aethiopica (L.) Spreng..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 178453) with original publication details: Mém. Mus. Hist. Nat. 4: 433 1818.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:88655-1.
This name was in version 1 of The Plant List, record kew-178453, and has not been changed.