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 135408) with original publication details: Icon. Pl. Ind. Orient. 1: t. 52 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:757511-1.
This name was in version 1 of The Plant List, record kew-135408, and has not been changed.