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 13066048) with original publication details: J. Linn. Soc., Bot. 42(286): 353 1914.
This name was in version 1 of The Plant List, record tro-13066048, and has not been changed.