They may be "proto-", but they're a hip "proto-", after all you can't be hip without potatoes.
Are potatoes a recent invention?
-Kevin
But no, there were no potatoes, tomatoes, tobacco, or even chocolate around all those years ago, unless the Elves had them and took them back to Valinor with them...
Potatoes are native to the New World...maybe the Elves brought them.