Species identification, tree from Ecuador
Your plant appears to be Chionanthus pubescens, the pink fringe tree, which is native to Ecuador and Peru. The genus has a number of species. It belongs to the family Oleaceae, which includes well known plants like jasmine, forsythia, ash trees and olives. I could not find much biological information on the pink fringe tree but plantlist.org contains a number of links to various databases that may be helpful if you want to dig deeper.