⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-208850, and has not been changed.

Trigonostemon kwangsiensis var. viridulus H.S.Kiu is a synonym of Trigonostemon bonianus Gagnep.

This name is a synonym of Trigonostemon bonianus Gagnep..

The record derives from WCSP which reports it as a synonym (record 208850) with original publication details: Guihaia 12: 210 1992.