This name is a synonym of Passiflora ligularis Juss..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 24200517) with original publication details: Gartenflora 1: 69, t. 69 1852.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:675160-1.
This name was in version 1 of The Plant List, record tro-24200517, and has not been changed.