This name is a synonym of Amorphophallus paeoniifolius (Dennst.) Nicolson.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 8107) with original publication details: Bengal Pl. 1109 1903.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:60444140-2.
This name was in version 1 of The Plant List, record kew-8107, and has not been changed.