This name is a synonym of Clitoria guianensis var. chapadensis (Malme) Fantz.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13008192) with original publication details: Arch. Jard. Bot. Rio de Janeiro 17: 184 1963.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:61265-2.
This name was in version 1 of The Plant List, record tro-13008192, and has not been changed.