⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-208886, and has not been changed.

Trigonostemon oblongifolius Merr. is a synonym of Trigonostemon hirsutus C.B.Rob.

This name is a synonym of Trigonostemon hirsutus C.B.Rob..

The record derives from WCSP which reports it as a synonym (record 208886) with original publication details: Philipp. J. Sci., C 7: 409 1912 publ. 1913.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:358047-1.