This name is a synonym of Typhonium inopinatum Prain.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 209497) with original publication details: Pflanzenr. IV, 23F: 117 1920.
This name was in version 1 of The Plant List, record kew-209497, and has not been changed.