Field of Science

What's up with these acorns?

A person walked into my place of business handed me these acorns and wanted to know, what's up with these acorns?  The short answer is nothing is up with them, they are the way they are supposed to be.  However the tree that produces these acorns is not very common so not too many people have ever seen one.  This is an overcup oak, Quercus lyrata, and it is native to wetlands in SE North America, but people tend to not plant them where they will do well and as a result they often look chlorotic.  The distinctive acorns are really cute, aren't they?  An easy ID and TPP even knows where they got them because there are only 2 trees around, and only 1 of them is doing well.  However I do admire their curiosity.  

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