Nephroia diversifolia is a vine with the common name sarsaparilla or correjuela. It is native to Arizona, Texas, and much of Mexico as far south as Oaxaca. It is a vine climbing up to 3 m, with white to yellowish flowers and dark purple fruits up to 6 mm in diameter.J. E. Laferriere. 1992. Menispermaceae, Moon-seed Family. Journal of the Arizona-Nevada Academy of Science 27:237-238.Flora of North America, vol 3
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