Native. Annual. Propagates by seeds.
Time of bloom: July to September.
Seed-time: August to November.
Range: Quebec to the Northwest Territory and British Columbia, southward to Pennsylvania, Ohio, Kentucky, Kansas, Utah, and
New Mexico. Also a native of Europe. Habitat: Open woods and thickets, farmyards, roadsides, waste places; a frequent tenant of city vacant lots.
A tall and handsome species, differing from others of its kind in that it is fond of shade. It is strong-scented, the odor somewhat like that of Stramonium.
Stem two to five feet or more in height, erect, rather slender, grooved, smooth, green, with many spreading branches. Leaves large, smooth, thin, deep green, not mealy, the lower ones sometimes four inches long, ovate, long-pointed, with one to four large, pointed teeth on each side, the base truncate or rounded, petioles rather long and slender; the upper leaves lance-shaped, usually entire. Flowers in large, loosely spreading, terminal and axillary panicles; calyx green, its five lobes keeled, rather obtuse, not wholly covering the seed, which is sharp-edged.
Close cutting or pulling before the first flowers mature.