re: Difference between black eyed, purple hull and field peas?

quote:

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Is there a difference or just people using a different name?

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I think they're all the same species (field pea) but just different cultivars. It's like asking if a Granny Smith and a Red Delicious are the same thing. They're both from the same type of tree that can breed with each other, but they're different varieties.

It's been a while since I read that chapter in "On Food and Cooking", though, so take it for what it's worth.