4

The fruit is a bit greener than shown in the following picture and has a diameter of 8-10 cm (3-4 inches).

I was expecting to see them on a tree, but instead they were coming from tall branches of a shrub. Spotted on a trip to Silistra, Bulgaria in late September.

enter image description here

enter image description here

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  • I have closed it as a duplicate. Thanks for the link.
    – Alina
    Sep 27 '18 at 5:57
5

Looks like Osage Orange (Maclura pomifera). Bulgaria fits, here is a Youtube video which you can compare your tree with.

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  • 1
    It's an Osage Orange, and I'd like to add that some have thorns as protection from large herbivores which aren't around anymore. It's also why the trees have very hard wood.
    – peter
    Sep 25 '18 at 18:38
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    I love the idea that there are still remnants of mastodons today in the natural defenses of some trees and bushes.
    – Carduus
    Sep 25 '18 at 19:29
  • 1
    Also called Horse Apples and Hedge Apples. Sep 26 '18 at 14:35

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