Platydesma spathulatum (A. Gray) B. C. Stone f. kalalauense O. Deg. & I. Deg., Fl. Hawaiiensis, fam. 179. Platydesma spathulatum. 1965.
Type information:
Holotype [BISH]. O. Degener , I. Degener and Cadenheads 27150. 16 November 1960. Kaua`i: E rim of Kalalau Valley. Isotype(s) [US!].

Note: There is an annotation label on both the holotype and US isotype with P. spathulatum forma stelechosum Stone, a name that was never published.

=Melicope spathulata
Note: There is an annotation label on both the holotype and US isotype with P. spathulatum forma stelechosum Stone, a name that was never published.

*Verification: R.K. Shannon, W.L. Wagner.