This name is a synonym of Hartmannia rosea var. parvifolia (J.M. Coult.) Small.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 23201007) with original publication details: Contr. U.S. Natl. Herb. 2: 116 1891.
This name was in version 1 of The Plant List, record tro-23201007.