This name is a synonym of Dendrobium purpureostelidium Ames.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 84554) with original publication details: Orquídea (Rio de Janeiro) 27: 306 1965.
This name was in version 1 of The Plant List, record kew-84554.