Canadian buffalo-berry

Shepherdia canadensis, commonly called Canada buffaloberry, russet buffaloberry, soopolallie, soapberry, or foamberry (Ktunaxa: kupaʔtiǂ,) is one of a small number of shrubs of the genus Shepherdia that bears edible berries. The fruit is usually red, but one species has yellow berries. The berries have a bitter taste. The species is widespread in all of Canada, except in Prince Edward Island, and in the western and northern United States, including Alaska and Idaho. The plant is a...