This name is a synonym of Bauhinia forficata subsp. pruinosa (Vogel) Fortunato & Wunderlin.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13069488) with original publication details: Lilloa 1: 154 1937.
This name was in version 1 of The Plant List, record tro-13069488, and has not been changed.