My son Orion picked this

cause he is a little boy and little boys like potty humor. (needless to say so does his Momma :P)

And looks like

It smells faintly like a Granny Smith apple but I have never seen apples growing in Jacksonville, Florida.
Can someone solve our mystery???
Edit**** I am an unripe Persimmon. Thank you Everyone :)
Orion got a kick outta how quick everyone responded & excited to have his mystery solved. He says he can not wait til Autumn to see the changes and when it ripens he is going to try one. :)