Tetraplasandra pupukeensis Skottsb. , Acta Horti Gothob. 10: 149. 1936.
Type information:
Holotype [GB]. C. Skottsberg 1816. 15 September 1926. O`ahu: Ko`olau, Pupukea Forest Reserve, [Pupukea-Malaekahana (Malaehahana) Trail].300m. Isotype(s) [BISH!, S!].

Note: RKS examined specimen at BISH

=Polyscias oahuensis
Note: RKS examined specimen at BISH

*Verification: R.K. Shannon.

Tetraplasandra pupukeensis Skottsb. f. trigona O. Deg. & Sherff, in Sherff, Bot. Leafl. 7: 7. 1952.
Type information:
Holotype [MO]. O. Degener 17792. 6 December 1931. O`ahu: toward E of Pupukea-Kahuku trail, along summit divide, shrubby rain forest.

Note: Only part of this collection is type for this entity. From his comments it seems clear that Sherff considered only the MO sheet of this collection to be the type for this forma.

=Polyscias oahuensis
Note: Only part of this collection is type for this entity. From his comments it seems clear that Sherff considered only the MO sheet of this collection to be the type for this forma.

*Verification: R.K. Shannon.

Tetraplasandra pupukeensis Skottsb. var. decipiens O. Deg. & Sherff, in Sherff, Bot. Leafl. 8: 8. 1953.
Type information:
Holotype [NY]. O. Degener 17974. 25 August 1935. O`ahu: [Ko`olau Mts.], Laie, W of Poamoko Trail, windy rain forest near top. Isotype(s) [A!, NY!].

Note: Sherff cites only NY sheet, with different locality and date than sheet with same number at MO. MO sheet should not be considered an isotype. There is only one sheet from NY on mfc, and it was annotated "Type!" by Sherff.

=Polyscias oahuensis
Note: Sherff cites only NY sheet, with different locality and date than sheet with same number at MO. MO sheet should not be considered an isotype. There is only one sheet from NY on mfc, and it was annotated "Type!" by Sherff.

*Verification: R.K. Shannon.

Tetraplasandra pupukeensis Skottsb. var. megalopoda Sherff, Bot. Leafl. 6: 40. 1952.
Type information:
Holotype [UC]. D.L. Topping 2921. 23 November 1924. O`ahu: Pupukea-Kahuku trail.
=Polyscias oahuensis

*Verification: None.

Tetraplasandra pupukeensis Skottsb. var. nitida O. Deg. & Sherff, in Sherff, Bot. Leafl. 6: 39. 1952.
Type information:
Holotype [F]. O. Degener , T. Murashige and M. Kerr 21017. 10 July 1949. O`ahu: Mt. Ka`ala, rain forest.3500ft. Isotype(s) [A!, BISH!, GH!, NY! [mfc!], PH!, UC!, US!].

Note: RKS examined specimen at BISH

=Polyscias oahuensis
Note: RKS examined specimen at BISH

*Verification: R.K. Shannon.

Tetraplasandra pupukeensis Skottsb. var. venosa O. Deg. & Sherff, in Sherff, Bot. Leafl. 6: 40. 1952.
Type information:
Holotype [NY]. O. Degener s.n.. 22 November 1931. O`ahu: gully SE of Kahuku entrance of Pupukea-Kahuku Trail. Isotype(s) [GH, NY [mfc!, photo F], UC!].

Note: NY sheets labeled by Sherff "1st type sheet" and "2nd type sheet."

=Polyscias oahuensis
Note: NY sheets labeled by Sherff "1st type sheet" and "2nd type sheet."

*Verification: R.K. Shannon.