This name is a synonym of Hyophorbe amaricaulis Mart..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 101296) with original publication details: Rep. Progr. Condition Roy. Bot. Gard. Kew 1882: 59 1884.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:667457-1.
This name was in version 1 of The Plant List, record kew-101296, and has not been changed.