Color, a dull greenish or purplish crimson, often paler. This is one of those colors bordering both on crimson and purple, difficult to describe. Leaves are unmistakable, being broad, oval, smooth along their edges, softly downy beneath, acute at apex, obtuse at base, with short petioles, 4 to 9 inches long. Stem, 3 to 5 feet high, with much milky juice. Follicles, 4 or 5 inches long, covered with soft prickles. June to August.
In rich, good soil, but found in some waste places and fields in all the States east of Kansas.