Callicarpa americana...beautybush.

https://www.google.co.uk/searc...

Callicarpa aka Beautyberry (not beautybush) but there are different varieties. Does the photo show the ripe fruit? The fruit can be magenta, white, violet, or a lavender-pink color.

Please compare your plant to those in our database:
https://garden.org/plants/sear...

Not the native beautyberry....
one of the Korean varieties....

Callicarpa dichotoma


The native beautyberries have their berry clusters tight on the stalk.
the imports are on a stem, held away from the limb.