Pittosporum insigne Hillebr. var. fosbergii Sherff, Field Mus. Nat. Hist., Bot. Ser. 22: 413. 1941.
Type information:
Holotype [BISH]. H. St. John , R.J. Baker and J.W. Coulter, F.R. Fosberg, & T. G. Yuncker 12604. 25 December 1932. Moloka`i: Kawela, Waikolu Valley, ridge between Hanalilolilo and Pepe`opae, on steep pali in rain forest. Isotype(s) [F, US].
=Pittosporum glabrum

*Verification: R.K. Shannon; Haas, J.E. 1977. Allertonia 1:73-167.