wild potato vine

Thesaurus

Noun

1.wild potato vine - tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potatoIpomoea fastigiata, Ipomoea panurata, manroot, scammonyroot, wild sweet potato vine, man-of-the-earthmorning glory - any of various twining vines having funnel-shaped flowers that close late in the day