This name is a synonym of Hydnophytum longiflorum A.Gray.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 100950) with original publication details: Malesia 2: 125 1884.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:753455-1.
This name was in version 1 of The Plant List, record kew-100950, and has not been changed.