manroot
Noun
Meaning
tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato
Source: WordNetSynonyms
man-of-the-earth
Ipomoea fastigiata
Ipomoea panurata
scammonyroot
wild sweet potato vine
wild potato vine
wild cucumber
cucumber gourd
bush moonflower
bigroot morning-glory