Red-osier dogwood
Grows along streams, ditches, and forest understory when there’s ample light and water.
Opposite, simple, ovate leaves.
Cyme inflorescence
4 petals (when present)
Single stigma/style
One large seed, apical placentation (drupe)
https://www.thinglink.com/card/1209563221661319175
Cool, love the use of Thinglink.