This name is a synonym of Acalypha filiformis subsp. rubra (Müll.Arg.) Govaerts.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 1131) with original publication details: Tracts St. Helena App. 1: 295 1816.
This name was in version 1 of The Plant List, record kew-1131, and has not been changed.