This name is a synonym of Ruilopezia hanburiana (Cuatrec.) Cuatrec..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record DDD95B44-915E-4C2D-B15F-66516A2153A6) with original publication details: Bol. Soc. Venez. Ci. Nat. 17 86 1956.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:205114-1.
This name was in version 1 of The Plant List, record gcc-77191, and has not been changed.