Trematolobelia forbesii H. St. John , Pacific Sci. 36: 488. 1982[1983].
Type information:
Holotype [BISH]. C.N. Forbes 362.M. 27 September 1917. Maui: [West Maui, ridge to `Eke, main ridge, upper part,] Honokahau Drainage Basin. Isotype(s) [US!].
=Trematolobelia macrostachys