This name is a synonym of Sorghum leiocladum (Hack.) C.E.Hubb..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25558901) with original publication details: Proc. Linn. Soc. New South Wales 60: 357 1935.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:422148-1.
This name was in version 1 of The Plant List, record tro-25558901, and has not been changed.