This name is a synonym of Chascanum hanningtonii (Oliv.) Moldenke.
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 23523) with original publication details: Hooker's Icon. Pl. 15: t. 1446 1883.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:861183-1.
This name was in version 1 of The Plant List, record kew-23523, and has not been changed.