Rumex giganteus W.T. Aiton f. annectens O. Deg. & I. Deg., Phytologia 21: 140. 1971.
Type information:
Holotype [NY]. O. Degener , I. Degener and L. W. Bryan 32455. 27 July 1967. Hawai`i: W side of Hualalai.1525m.
=Rumex giganteus

*Verification: None.