There is one flowering apple tree in the scene.

Height: 4.1 m

Polygons: 2 944 459
When converting to editable poly, the number of polygons is 1 769 434

Petals with opacity map applied

Displacement is used for the bark material and is enabled by default.

A variant of this tree blooming with leaves:
https://3dsky.org/3dmodels/show/malus_flowering_5 

A variant of this tree with fruits:
https://3dsky.org/3dmodels/show/malus_fruit_tree_2_1 

A variant of this tree in winter:
https://3dsky.org/3dmodels/show/malus_winter_tree 

In the archive:

3ds max_2013 (Corona)
Corona mat
Obj
Textures

Enjoy your use!