Conversation so far:
what is the difference between artichokes and jerusalem artichokes
Artichoke hearts come from the globe artichoke, which is a big thistle plant native to the Mediterranean. Jerusalem artichokes are brown skinned tubers that look a bit like gingerroot.
what are alternate names for the jerusalem artichoke
The Jerusalem artichoke is also called sunroot, sunchoke, or earth apple

Question: what is the scientific name
Self-contained rewrite: what is the jerusalem artichoke's scientific name