man-of-the-earth, n.
tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato
<noun.plant>
Ipomoea fastigiata Ipomoea panurata man-of-the-earth manroot scammonyroot wild potato vine wild sweet potato vine
semantic pointers
hypernym
a morning glory with long roots of western United States
<noun.plant>
Ipomoea leptophylla man-of-the-earth
semantic pointers
hypernym