This tree is a volunteer and I am hoping to find out what kind of tree it is.
Young tree
Leaf sample
Below is a more recent photo showing flowering.
This tree is a volunteer and I am hoping to find out what kind of tree it is.
Young tree
Leaf sample
Below is a more recent photo showing flowering.
It looks like a Laburnum. Probably a Common Laburnum Laburnum anagyroides, also known as a Golden Chain Tree. It is from central and southern Europe.
The seeds are poisonous.
https://en.wikipedia.org/wiki/Laburnum_anagyroides
Here is a photo of the leaves From http://www.saps.org.uk/trees/laburnum.htm
And the flower http://wildflowerfinder.org.uk/Flowers/L/Laburnum/Laburnum.htm