Wild Potato Vine, or Mecha-Meck, or Man-of-the-Earth
This root weighed 15 pounds. It grows along roadsides and in open waste lands from Connecticut west to southern Ontario, Michigan, and Kansas, and south to Florida and Texas. Member of the morning-glory family and very close relative of the Sweet Potato.
From a lovely book by Oliver Perry Medsger, Edible Wild Plants (1939).
This one looks a bit like a dog--reminds me of a pet a Jack Kirby monster might have.
