Arunachal Pradesh- Tree

Tree from Arunachal Pradesh : 3 posts by 1 author. 3 images.
This Tree stands in an Arboretum in western France, (USDA Winter Hardness Zone 9). Unfortunately we only know its origin. 
Thank you very much for your help.
Location: collected in Arunachal Pradesh
Habit : Arboretum/ Wild origin

May I request you to post habit images along with flowering/ fruiting images. if any.