This name is a synonym of Oxymitra incrassata (Brot.) Sérgio & Sim-Sim.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35206364) with original publication details: Fl. Lusit. 2: 428 1804.
This name was in version 1 of The Plant List, record tro-35206364, and has not been changed.