This name is a synonym of Ditaxis katharinae Pax.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 12802378) with original publication details: Publ. Field Mus. Nat. Hist., Bot. Ser. 13(3A/1): 93 1951.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:339454-1.
This name was in version 1 of The Plant List, record tro-12802378, and has not been changed.