This name is a synonym of Trematodon longicollis Michx..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35120269) with original publication details: Beih. Bot. Centralbl. 17: 5. 4 1904.
This name was in version 1 of The Plant List, record tro-35120269.