Prunus rivularis

Prunus rivularis, known variously by the common names creek plum, hog plum, or wild-goose plum is a thicket-forming shrub in the rose family, Rosaceae. It is a deciduous shrub consisting of slender stems with umbel clusters of white blossoms. The fruit is a drupe that resembles a large berry.

The plant is found mainly in the central United States. It prefers calcareousclay soil or limestone-based woodland soils. Although the fruit has a bitter taste, it serves as a source of food for birds and other wildlife.