This name is a synonym of Dendrobium bellatulum Rolfe.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 57181) with original publication details: Indian Orchids: Guide Identif. & Cult. 2: 331 1979.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:887464-1.
This name was in version 1 of The Plant List, record kew-57181, and has not been changed.