1. (noun) tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato

• ipomoea fastigiata
• man-of-the-earth
• manroot
• scammonyroot
• wild potato vine
• wild sweet potato vine

1. (noun) tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato

• morning glory