⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35120354, with some changes.
This name is a synonym of Trematodon longicollis Michx..
The record derives from Tropicos which reports it as a synonym (record 35120354) with original publication details: Hong Kong Naturalist, Suppl. 2: 3. 1 f. 1 3 1933.