This name is a synonym of Ipomoea rubriflora O'Donell.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8500974) with original publication details: Sp. Pl. 1: 160 1753.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:268659-1.
This name was in version 1 of The Plant List, record tro-8500974.