This name is a synonym of Amorphophallus zenkeri subsp. mannii (N.E.Br.) Ittenb. ex Govaerts & Frodin.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 8222) with original publication details: Fl. Trop. Afr. 8: 159 1901.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:84398-1.
This name was in version 1 of The Plant List, record kew-8222, and has not been changed.