This name is a synonym of Sphyrospermum dissimile (S.F. Blake) J.L. Luteyn.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 12301020) with original publication details: J. Bot. 53(633): 271–272 1915.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:286598-2.
This name was in version 1 of The Plant List, record tro-12301020.