Clermontia gaudichaudii Hillebr. var. barbata Rock, Monogr. Stud. Haw. Lobelioid. 293. 1919.
Type information:
Lectotype [BISH]. W. Hillebrand and J.M. Lydgate s.n.. Maui: Hamakua.
Lectotypified in Lammers. Syst. Bot. Monogr. 32: 32. 1991.
=Clermontia peleana subsp. singuliflora