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