Peanuts Aren’t Nuts And People Are Stunned After Finding Out

People have been left stunned by the news that peanuts aren't actually nuts at all.
Credit: Alamy

People have been left stunned by the news that peanuts aren’t actually nuts at all.

Whether you eat them by the handful, or use them to cook beloved dishes like satay and pad thai, for many of us, peanuts are a dietary staple.

And because of the name, most of us have always just assumed that they’re nuts – right?

Well, news that this is not the case has taken the internet by storm.

Because if peanuts aren’t nuts… what are they?

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We’ve all been fooled by simple food categorisation before.

Remember finding out that tomatoes and cucumbers are actually fruits, or that watermelons and aubergines are technically berries?

But, this week, it’s peanuts that are at the centre of a food categorisation controversy.

It’s been revealed that they are actually not nuts at all!

Just like lentils, soy, and beans, peanuts are actually members of the pulse family.

And it’s not just peanuts that are wrongly categorised in this way.

Almonds, pistachios, cashews, and pecans are also culprits of the ‘not really nuts’ crime.

People have been left stunned by the news that peanuts aren’t actually nuts at all. Credit: Pexels/Pixabay

So, why exactly are these faux-nuts not nuts?

Well, it’s all to do with how they grow.

Like other legumes, peanuts grow inside an edible pod.

The reason they seem intrinsically different from other members of the legume family is that we don’t tend to actually eat these rather dry and fibrous peanut shells.

But, if you think about it, a whole peanut is not too dissimilar to other legumes, like a green bean or a sugar snap pea.

On a similar note, cashews are technically fruits, while pistachios, almonds, and walnuts are seeds, as per Business Insider.

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The reason for the difference in categorisation is a scientific one.

Judy Jernstedt, a plant scientist at the University of California, Davis, tells Live Science: “Consumers consider what’s on the grocery shelf. If a woody shell-encased food is small, round-ish, natural, dry and crunchy, we are likely to call it a nut.”

But a botanist considers the whole plant. A true botanical nut is a dry fruit with a single seed encased in a hard, nonsplitting ovary wall.

Almonds, pistachios, cashews, and pecans are also not categorised as nuts. Credit: Alamy

“The hard outer shell of a true nut doesn’t open on its own — think walnuts, chestnuts, hazelnuts and acorns,” Jernstedt continues.

“If we were to make grocery store shelves more botanically accurate, there would be signs for ‘almond seeds,’ ‘Brazil seeds’ and ‘peanut legumes’.

“But changing the names now would be tough for both consumers and botanists, she said. Most consumers are pretty set on their culinary idea of a nut, and some of the technical language for botanists goes back to classical scientists, like Aristotle. I think we are stuck with it.”

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Written by Annie Walton Doyle

Annie Walton Doyle is a content editor at IGV who specialises in trending, lifestyle and entertainment news. She graduated from Goldsmiths, University of London, with a degree in English Literature. Annie has previously worked with organisations such as The Huffington Post, The Guardian, The Telegraph, Harvard University, the Pulitzer Prize and 22 Words.