*This item is not for sale and listed as a plant library product for educational purposes only.
• 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.