Type Information
Pittosporum gayanum Rock , Indig. trees Haw. Isl. 166 1913.
Kaua`i, high plateau. 5000 ft. 20 October 1911. Rock 8867.
Holotype [BISH]. Isotype(s) [A, BISH!, GH].
Note: Publication gives locality as "on Waialeale."
*Verification: R.K. Shannon; Haas, J.E. 1977. Allertonia 1:73-167.
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Pittosporum gayanum Rock f. waialeale (Rock) J.E. Haas, Allertonia 1: 137 1977.

*Verification: R.K. Shannon.
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Pittosporum gayanum Rock var. skottsbergii Sherff, Occas. Pap. Bernice P. Bishop Mus. 20(1): 3 1949.
Kaua`i, northernmost Kaua'i, Hanalei Valley, Power Line Trail above second house. 9 March 1948. Fagerlind and Skottsberg 6532.
Holotype [GB].

*Verification: R.K. Shannon; Haas, J.E. 1977. Allertonia 1:73-167.
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Pittosporum gayanum Rock var. waialeale Rock, Indig. trees Haw. Isl. 166 1913.
Kaua`i, Mt. Wai`ale`ale, summit bog. 5200 ft. 20 October 1911. Rock 8866.
Holotype [BISH]. Isotype(s) [A, BISH! [2], GH].

Note: Publication gives collection date as 10 October 1911.
*Verification: R.K. Shannon; Haas, J.E. 1977. Allertonia 1:73-167.
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