Earlier quoted context omitted.
A lot of "baffled scientists for decades" is more that the scientists know about it but have never taken time to look as there are other things to do. It is a ridiculous spin.
Except, as mentioned in the article, they _did_ look into it, to the extent of DNA testing it! And still didn't come to a particularly satisfactory conclusion. "It might be an agave, but also the agave expert says agaves aren't like that" is about as far as anyone seems to have gotten.
What do your experts make of this wikipedia article?