This name is a synonym of Boerhavia triquetra var. intermedia (M.E.Jones) Spellenb..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: J. Wash. Acad. Sci. 29: 475 1939.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:34188-2.
This name was in version 1 of The Plant List, record kew-2678655, and has not been changed.