It has long, thin branches with red sap and simple, alternate foliage. Deadly nightshade blooms with drooping, tubular blossoms. The plant’s purple flowers are followed by shiny black berries.

Fruits of Solanum plants, a group in the nightshade family, are incredibly diverse, ranging from sizable red tomatoes and purple eggplants to the poisonous green berries on potato plants.

The main distinguishing feature is the bunches of berries that form on mature plants. Berries are usually either green or black. Black nightshade also has flowers which are usually white with yellow ...