What kind of tree is this II?

[Tree]

These flowering trees were found in a park in Cedar Park, Texas (Austin). Again, as in my first post I cannot go and try to get one unless I know it's name? Please help me in in identifying this beautiful flowering tree.

[trudy]

Vitex Angus Chaste to me.

[Pushin-up-Daisies]

looks like a Budlia(butterfly Bush) 2 me let grow into a tree.

[santoury]

Vitex angus-castus - Chaste Tree. They are lovely.

[Tree]

Thank you all for your help in identifying the flowering tree.