This name is a synonym of Dendrobium amplum Lindl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 185284) with original publication details: Bull. Mus. Natl. Hist. Nat. II, 26: 693 1955.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:656802-1.
This name was in version 1 of The Plant List, record kew-185284.