This name is a synonym of Dendrobium violaceum subsp. cyperifolium (Schltr.) T.M.Reeve & P.Woods.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 59053) with original publication details: Bot. Jahrb. Syst. 66: 196 1934.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:628584-1.
This name was in version 1 of The Plant List, record kew-59053, and has not been changed.