This name is a synonym of Nelsia quadrangula (Engl.) Schinz.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bot. Jahrb. Syst. 10: 7 1889.
This name was in version 1 of The Plant List, record kew-2480080, and has not been changed.