This name is a synonym of Crotalaria recta A.Rich..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13023074) with original publication details: Bull. Jard. Bot. État Brux. 8: 130 1923.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:487862-1.
This name was in version 1 of The Plant List, record tro-13023074, and has not been changed.