This name is a synonym of Ancistrorhynchus clandestinus (Lindl.) Schltr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 114191) with original publication details: Fl. Trop. Afr. 7: 161 1897.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:641605-1.
This name was in version 1 of The Plant List, record kew-114191, and has not been changed.