This name is a synonym of Dendrobium polyanthum Wall. ex Lindl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 58522) with original publication details: Bot. Mag. 83: t. 5003 1857.
This name was in version 1 of The Plant List, record kew-58522, and has not been changed.