Could you help ID this small amazing tree

This little tree was found by me in December in southern part of Portugal. Do you know maybe what it is?
It is so lovely... flowers resemble those of Hydrangea's... if this could help...

Ewa in the Garden on Facebook

Dear Readers and Friends, decided finally to open own page on Facebook. You don't know how great it would be to see you over there as well. Just click here to hop over and let's stay in touch in the place where you naturally gather anyway.
It doesn't mean Ewa in the Garden will be publishing less, it only means I want to see you in other places. This is like with dating - you don't want to meet every time in the same places, right? Beside I'd like to know you better :) And this would be more convenient for both of us. See you!!