This name is a synonym of Croptilon hookerianum var. graniticum (E.B.Sm.) E.B.Sm..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C565F1F4-4564-4F16-BA10-3F801A432A22) with original publication details: Sida 3 348 1969.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:69646-2.
This name was in version 1 of The Plant List, record gcc-34257, and has not been changed.