Trematolobelia macrostachys (Hook. & Arn.) Zahlbr. var. ligulata H. St. John, Pacific Sci. 36: 499. 1982[1983].
Type information:
Holotype [BISH]. T. Pratt s.n.. 12 January 1972. Moloka`i: 1 mi from Waikolu Lookout, Hanalilolilo Trail, edge of gully. Isotype(s) [BISH!].
=Trematolobelia macrostachys