Rumex hymenosepalus Torr., Rep. U.S. Mex. Bound. 2(1): 177–178 1859. (Syn: Rumex arizonicus Britton; Rumex hymenosepalus var. salinus (A. Nelson) Rech. f.; Rumex salinus A. Nelson; Rumex saxei Kellogg);
Rumex hymenosepalus, commonly known as canaigre, ganagra, wild rhubarb, Arizona dock, and tanner’s dock, is a perennial flowering plant which is native to the western United States and northern Mexico.
It has been cultivated in the southwestern United States for the roots, a good source of tannin, which is used in leather tanning. It also yields a yellow dye.
(From Wikipedia on 13.5.14)
Polygonaceae Fortnight: Rumex hymenosepalus from California-GSMAY21: 2 posts by 2 authors. Attachments (2).
Rumex hymenosepalus, photographed from Caifornia
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