The hairy stems and wrinkled leaves of Boneset aid in identification.
Boneset (Eupatorium perfoliatum) is another summer and fall plant of moist and wet habitats. It grows from 2 to five feet tall. The leaves of Boneset are simple, opposite, lance-shaped, and toothed. They grow directly from the central stem of the plant with some of the opposing leaf bases so completely fused that he stem appeas to pierce through the double leaf. The plant stem is hairy. The leaves of Boneset are deeply veined and have a wrinkled appearance.
Boneset blooms from July to October. Its small, white chalky flowers for fuzzy, flat-topped clusters several inches across. The berb was named Boneset because its leaves were once used to make a bitter tea taken to treat “break-bone” or dengue fever.
