''Nephroia diversifolia'' is a vine with the common name sarsaparilla or correjuela. It is native to

Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...

, and much of

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

as far south as

Oaxaca Oaxaca, officially the Free and Sovereign State of Oaxaca, is one of the 32 states that compose the political divisions of Mexico, Federative Entities of the Mexico, United Mexican States. It is divided into municipalities of Oaxaca, 570 munici ...

. It is a vine climbing up to 3 m, with white to yellowish flowers and dark purple fruits up to 6 mm in diameter.Flora of North America, vol 3
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References

Menispermaceae Flora of Arizona Flora of Mexico Flora of Texas Plants described in 2020 Taxa named by Wei Wang Taxa named by Augustin Pyramus de Candolle {{Menispermaceae-stub