This name is a synonym of Acalypha neptunica var. pubescens (Pax) Hutch..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 1262) with original publication details: Bull. Misc. Inform. Kew 1911: 231 1911.
This name was in version 1 of The Plant List, record kew-1262, and has not been changed.