This name is a synonym of Triodanis perfoliata subsp. biflora (Ruiz & Pav.) Lammers.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 364102) with original publication details: Fl. Peruv. 2: 55 1799.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:43935-2.
This name was in version 1 of The Plant List, record kew-364102.