This name is a synonym of Codonanthe gracilis (Mart.) Hanst..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50260108) with original publication details: Fl. Flumin. 259 1825.
This name was in version 1 of The Plant List, record tro-50260108, and has not been changed.