Acacia koa A. Gray var. waianaeensis H. St. John, Pacific Sci. 33: 363. 1979 [1980].
Type information:
Holotype [BISH]. A.K. Chock 813. 30 December 1952. O`ahu: Waianae Mts., Dupont trail.2800ft. Isotype(s) [BISH!].
=Acacia koa

*Verification: R.K. Shannon.