Not sure why the downvotes. A bit pedantic and distracting from a good story, perhaps, but accurate.
> The potato was originally believed to have been domesticated by Native Americans independently in multiple locations, but later genetic studies traced a single origin, in the area of present-day southern Peru and extreme northwestern Bolivia.
As far as I understand it, Peru already had a lot of highly cultivated potato crops. They have over 4000 different kinds and had sophisticated methods for preservation[0].
