This name is a synonym of Neurocalyx calycinus (R.Br. ex Benn.) Rob..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 14809) with original publication details: Pl. Jav. Rar. 1: 97 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:743655-1.
This name was in version 1 of The Plant List, record kew-14809, and has not been changed.