Tree identification please planted by bird droppings along with a pomengranate tree?

Question

now about 8 ft tall, 9 pointed oval medium green 2-3 inch leaves on each stem. green trunk now about 1 1/2" diameter. birds planted it as they sat on trellis hovering over dog food bowl. growing intertwined with pomengranate tree. can you identify? looks like pics of ash trees but I think the leaves are much bigger than ash.

Answer 1

sounds like a type of sumac to me