Please identify this tree for me. It was found in a park in Eindhoven, Netherlands.
I suspect this is a hazel (Corylus avellana) based on:
- the leaves
- the male flowers (not mature in your photo)
- the fact that it is a common tree in Europe)
This one has twisty branches, so it could well be of a particular variety called "contorta".
A selection with twisted branches has been propagated horticulturally as Corylus avellana 'Contorta'.