Trematolobelia macrostachys (Hook. & Arn.) Zahlbr. var. haleakalaensis H. St. John, Pacific Sci. 25: 67. 1971.
Type information:
Holotype [BISH]. C.H. Lamoureux and R.E. DeWreede 3859. 6 August 1967. Maui: W part of Kipahulu Valley, sites exposed to wind.3200ft. Isotype(s) [BISH! [2]].
=Trematolobelia macrostachys