That “brain-like,” bumpy green ball you found is almost certainly an Osage orange.
🌳 What it is
- The fruit of the Maclura pomifera
- Bright green with a wrinkled, brain-like surface
- Often found under trees in late summer or autumn
🤲 Why it feels sticky
- It contains a milky, latex-like sap
- That’s what makes it feel slightly sticky or rubbery
⚠️ Is it safe?
- Not poisonous to touch
- Not edible (very bitter and can upset your stomach)
🐿️ Do animals eat it?
- Most animals ignore it
- Squirrels sometimes break it open for the seeds
🧠 Fun fact
Before modern fencing, these trees were planted as natural barriers (“hedges”), which is why they’re also called hedge apples.
✅ Bottom line
It looks strange, but it’s harmless—a common, natural fruit from the Osage orange tree.
If you want to be 100% sure, describe the tree (height, leaves, thorns), and I’ll confirm it.