⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35104306, with some changes.
This name is a synonym of Rhynchostegium serrulatum var. confertum .
The record derives from Tropicos which reports it as a synonym (record 35104306
) with original publication details: Fasc. Pl. Crypt. Brit. 4: 17. 11 f. 14 17 1801.