Family, Nightshade. Color, violet or rarely white. Calyx, 5-parted. Corolla, wheel-shaped, 5-parted. Fruit, a 2-celled berry. Stout, erect perennials, with many stiff, yellowish prickles upon the roughly hairy stem. Leaves, toothed, oblong or ovate, lobed or pinnately cut, 2 to 6 inches long. May to September.
Dry ground and waste places, Connecticut to Florida and westward.