This name is a synonym of Nidularium longiflorum Ule.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 255651) with original publication details: Ber. Deutsch. Bot. Ges. 16: 353 1898.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:169950-2.
This name was in version 1 of The Plant List, record kew-255651.