This name is a synonym of Orthocaulis attenuatus (Nees) A. Evans.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35189760) with original publication details: Fl. Crypt. Erlang. 177 1817.
This name was in version 1 of The Plant List, record tro-35189760.