This name is a synonym of Thamnocalamus tessellatus (Nees) Soderstr. & R.P.Ellis.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 396035) with original publication details: Bull. Soc. Bot. France 107: 211 1960.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:390352-1.
This name was in version 1 of The Plant List, record kew-396035, and has not been changed.