Pittosporum hosmeri Rock var. longifolium Rock, Indig. trees Haw. Isl. 163. 1913.
Type information:
Lectotype [BISH]. J. F. Rock 10023. July-January 1911- 1912. Hawai`i: South Kona, Kapua.
Lectotypified in Haas. Allertonia 1: 106. 1977. Isolectotype(s) [A, BISH! [4], F, GH, K, NY, UC, US].

Note: Haas (1977) chose as lectotype one of the sheets labeled "cotype" by Rock, not the sheet labeled "type." Epithet published as "longifolia," orthography corrected by Herbst, in 1974 edition of Rock's book (p. 523). Additional syntypes (BISH!).

=Pittosporum hosmeri
Note: Haas (1977) chose as lectotype one of the sheets labeled "cotype" by Rock, not the sheet labeled "type." Epithet published as "longifolia," orthography corrected by Herbst, in 1974 edition of Rock's book (p. 523). Additional syntypes (BISH!).

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