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 35120354) with original publication details: Hong Kong Naturalist, Suppl. 2: 3. 1 f. 1 1933.
This name was in version 1 of The Plant List, record tro-35120354.