nmanroottropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato
Century Dictionary and Cyclopedia
nmanrootA morning-glory, Ipomœa leptophylla, found on the dry plains of Colorado and in adjacent regions. It is a plant 2 or 3 feet high, with an immense root having some resemblance in shape and size to a man.
The Coast Manroot, a giant tangle of a plant grows from huge, often man-size underground tubers, is also one of Canadas most endangered species.