This name is a synonym of Cycas thouarsii R.Br..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 383332) with original publication details: Cat. Gén. 195: 5 1888.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:296993-1.
This name was in version 1 of The Plant List, record kew-2749540.