On Mon, 24 Nov 2003 15:41:25 GMT, Jaques d'Alltrades wrote:

I bought some artichokes (subterranian) in a shop in Norwich, and they
were long, thumblike, rather small, and very un-knobbly.

Any idea what these were? I've saves them for planting... (When asked,
the assistant said: "Artichokes.")

Look up "Jerusalem artichoke". The inositol in them causes a lot
of gas.