This name is a synonym of Teramnus labialis (L.f.) Spreng..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13052923) with original publication details: J. Linn. Soc., Bot. 8: 265 1865.
This name was in version 1 of The Plant List, record tro-13052923.