This name is a synonym of Piranhea mexicana (Standl.) Radcl.-Sm..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 36254) with original publication details: Contr. Dudley Herb. 1: 76 1927.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:51089-2.
This name was in version 1 of The Plant List, record kew-36254, and has not been changed.