| sweet potato | (n) pantropical vine widely cultivated in several varieties for its large sweet tuberous root with orange flesh, Syn. sweet potato vine, Ipomoea batatas |
| wild potato vine | (n) tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato, Syn. manroot, scammonyroot, wild sweet potato vine, Ipomoea panurata, man-of-the-earth, Ipomoea fastigiata |