This name is a synonym of Calylophus hartwegii (Benth.) P.H.Raven.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50003559) with original publication details: Pl. Hartw. 5–6 1839.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:173039-2.
This name was in version 1 of The Plant List, record tro-50003559.