sun choke or sunchoke is also referred to as a Jerusalem Artichoke.
a knoby root vegetable with a 6 foot stalk above ground with tiny yellow sunflowers above.
for photos
Jerusalem artichoke - Wikipedia, the free encyclopedia
the leaves make great animal fodder.
tasting much like a hiccima with a more earthy flavor. used as any root vegetable would be used. Eaten raw, boiled, baked, fried, stirfried, pickled, and ???.
in many areas of the US it becomes a weed (wish I had that luck!).
not to be confused with a Globe Artichoke.