All For Gardening
What structure is this on an oak tree
In Botany

What structure is this on an oak tree


I’ve tried to find what structure it is, but I can’t find it. It’s not a gal since it doesn’t grow on the leaf. It’s not an acorn.

by Infernalpain92

3 Comments

  2. Amorpha_fruticosa

    Galls can be other places than just the leaf. Looks like a gall forming insect. Maybe Andricus foecundatrix

  3. Thermoschaap

    I don’t know the generic name in English, but in Dutch it can be translated to pineapple gall 🍍, since it looks a bit like a pineapples. Just a fun fact.

Pin