This name is a synonym of Crotalaria lawalreeana R.Wilczek.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13023321) with original publication details: Bull. Soc. Roy. Bot. Belgique 91: 174, f. 12 1959.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:488513-1.
This name was in version 1 of The Plant List, record tro-13023321, and has not been changed.