What trees in North America have nuts that split open upon maturity? These are sometimes called “pig faces”?

I know that they grow in North Carolina and in California as well.



  1. 0 Votes

    I definitely think it’s the pignut hickory tree. The sources below talk about the pignut hickory and its nuts, which, when unshelled, resemble a pig’s face or snout. The nuts are cased in a husk that splits open when mature. However, I had trouble finding a resemblance to a pig’s face in the picture below:


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