This name is a synonym of Stenandrium diphyllum Nees.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 103558) with original publication details: Notas Mus. La Plata, Bot. 13(62): 82 1948.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:244498-2.
This name was in version 1 of The Plant List, record tro-103558.