This name is a synonym of Acalypha mapirensis Pax.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 865) with original publication details: Pflanzenr. IV, 147, XVI: 65 1924.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1374-2.
This name was in version 1 of The Plant List, record kew-865, and has not been changed.