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Noun: wild potato vine
  1. Tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato
    - wild sweet potato vine, man-of-the-earth, manroot, scammonyroot, Ipomoea panurata, Ipomoea fastigiata

Derived forms: wild potato vines

Type of: morning glory

Encyclopedia: Wild potato vine