This name is a synonym of Guadua longifolia (E.Fourn.) R.W.Pohl.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 395765) with original publication details: J. Wash. Acad. Sci. 28: 6 1938.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:20930-2.
This name was in version 1 of The Plant List, record kew-395765.