This name is a synonym of Clermontia oblongifolia Gaudich..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 367670) with original publication details: Proc. Amer. Acad. Arts 5: 150 1861.
This name was in version 1 of The Plant List, record kew-367670.