Noun: wild sweet potato vine
- Tropical American prostrate or climbing herbaceous perennial having an enormous starchy root
"The wild sweet potato vine climbed vigorously up the trellis";
- wild potato vine, man-of-the-earth, manroot, scammonyroot, Ipomoea panurata, Ipomoea fastigiata
Derived forms: wild sweet potato vines
Type of: morning glory