This name is a synonym of Acalypha pruinosa Urb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 514) with original publication details: Fl. Brit. W. I. 47 1859.
This name was in version 1 of The Plant List, record kew-514, and has not been changed.