This name is a synonym of Themistoclesia pennellii (A.C. Sm.) Sleumer.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50253474) with original publication details: Bull. Torrey Bot. Club 60: 111 1933.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:334581-1.
This name was in version 1 of The Plant List, record tro-50253474, and has not been changed.