This name is a synonym of Arenga pinnata (Wurmb) Merr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 181744) with original publication details: Verh. Batav. Genootsch. Kunsten 1: 351 1779.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:669779-1.
This name was in version 1 of The Plant List, record kew-181744, and has not been changed.