This name is a synonym of Vietnamosasa pusilla (A.Chev. & A.Camus) T.Q.Nguyen.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 396203) with original publication details: Bull. Mus. Natl. Hist. Nat. 27: 450 1919.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:390503-1.
This name was in version 1 of The Plant List, record kew-396203, and has not been changed.