This name is a synonym of Acalypha virginica var. rhomboidea (Raf.) Cooperr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 1121) with original publication details: New Fl. 1: 45 1836.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:318034-2.
This name was in version 1 of The Plant List, record kew-1121, and has not been changed.