This name is a synonym of Oxypetalum muticum E.Fourn..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 2600623) with original publication details: Ark. Bot. 3(8): 13–15, t. 1, f. 2 .
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:179304-2.
This name was in version 1 of The Plant List, record tro-2600623.