Other common names, “Big-root morning-glory” and “Wild potato vine”.
Adapted to sandy or gravelly mixed and shortgrass plains, roadsides, and disturbed areas.
Flowers May to July.
This plant is related to the sweet potato. It has a very large, edible taproot. The taproot is ham shaped and usually 6 to 8 in. diameter and may grow up to four feet long.
Is very drought-resistant, due to the very large root system.
The Pawnee Indians treated nervousness and bad dreams by inhaling the smoke of burning roots, and the Lakota Indians would consume the roots for stomach problems.
