American Beautyberry (Callicarpa americana)

Where to plant: pond bank zone (above high-water mark)
Type: deciduous shrub
Height x spread: 3-6 x 3-6 ft
Blooms: summer
Bloom: showy, lavender, pink fruit (flower insignificant)
Sun: full sun to partial shade
Water: medium
Maintenance: medium; prune back in late winter to promote bushiness
Tolerates: clay soil
Wildlife: fruit attracts songbirds

​

https://gardenerspath.com/plants/ornamentals/american-beautyberry/