Not an accepted name (status: rejected). The accepted name is Rumex hymenosepalus Torr., 1858.

Rumex hymenosepalus var. euhymenosepalus Torr., 1858 4% complete

No common name

W.H.Emory, Rep. U.S. Mex. Bound. 2(1): 177 (1858)

There is no corrections for Rumex hymenosepalus var. euhymenosepalus yet.