Syringa species- Meghalaya
Meghalay flora 3, up -id pl : 6 posts by 3 authors. Attachments (2)
Id of the small size tree pl

Pics are of low resolution to observe closely.
What I suspect is Syringa emodi (Oleaceae) based on tetramerous flowers.
Pl. post larger images & images of the full plant.
Syringa species so far in efi   
I think Syringa emodi does not have distribution in Meghalaya.
May be some other species