Euphorbia hookeri Steud. , Nomencl. Bot. ed. 2. 1: 612. 1840. Flora of the Hawaiian Islands --Basionym
Type Information

*Verification: David Lorence.

Euphorbia hookeri Steud. var. integrifolia Hillebr., Fl. Hawaiian. Isl. 397. 1888.
Type information:
Holotype [B]. W. Hillebrand s.n.. Maui: West Maui, Honokowai Gulch, Ka'anapali. Isotype(s) [MEL [photo BISH]].
=Euphorbia multiformis var. multiformis

*Verification: David Lorence.