This name is a synonym of Calycolpus roraimensis Steyerm..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 166906) with original publication details: Loefgrenia 99: 4 1990.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:962399-1.
This name was in version 1 of The Plant List, record kew-166906, and has not been changed.