man-of-the-earth
noun
1 man-of-the-earth
A morning glory with long roots of western United States.
synonym: Ipomoea leptophylla.
2 man-of-the-earth
Tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato.
synonyms: Ipomoea fastigiata, Ipomoea panurata, manroot, scammonyroot, wild potato vine, wild sweet potato vine.
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