https://consumerist.com/2017/10/27/your-pumpkin-pie-probably-has-no-actual-pumpkin-in-it/

We hate to break it to the pumpkin purists out there, but that canned orange stuff you so lovingly scoop into pie shells every Thanksgiving is probably some other kind of squash dressed up as its gourd cousin.

“But the can says ‘100% pumpkin’ right on it!” you may be exclaiming in outrage. It does, and it’s totally allowed to, as MarketPlace pointed out in an August segment that’s been making the rounds recently: The Food and Drug Administration doesn’t make distinctions between pumpkins and its squash relatives, so food companies can slap whatever they want on the label.