This name is a synonym of Crotalaria platysepala Harv..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13022836) with original publication details: Mém. Herb. Boissier 1: 126 1900.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:487808-1.
This name was in version 1 of The Plant List, record tro-13022836, and has not been changed.