This name is a synonym of Acalypha brachystachya Hornem..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 512) with original publication details: Tent. Fl. Abyss. 2: 246 1850.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:337359-1.
This name was in version 1 of The Plant List, record kew-512, and has not been changed.