Here I circled the drawing with colored pencils,so you can see it better:
Please note veins very clearly appear on the leaves ,they resemble a skeleton, with ribs.
Coloring leaves in green color we shade in the direction of the veins
It’s time to draw five-petal small flowers collected in inflorescence:
Coloring leaves in green color we shade in the direction of the veins:
The leaves of bird cherry have a deep green color, and so we have to paint in several layers:
Well here is a picture of a blossoming bird cherry, but it is a pity that it is not fragrant.РHere is a step by step drawing tutorial -How to draw a