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thoroughwort(thûr`əwûrt', –wôrt'), perennial North American herb (Eupatorium perfoliatum) of the family Asteraceae (asteraster
[Gr.,=star], common name for the Asteraceae (Compositae), the aster family, in North America, name for plants of the genus Aster, sometimes called wild asters, and for a related plant more correctly called China aster (Callistephus chinensis
..... Click the link for more information. family), having terminal clusters of small, chiefly white blossoms. Native Americans and settlers alike valued the plant for the bitter tea made from its leaves and flowers, for which it was often cultivated in gardens. The tea was used for treating colds, fever, and ague (whence the name agueweed). The herb is still sold for medicinal purposes. Other species of Eupatorium, most of which are American, are often called thoroughwort and occasionally boneset, e.g., the purple boneset, or joe-pye weedjoe-pye weed
, name for a tall North American plant (Eupatorium purpureum) of the family Asteraceae (aster family), having small, usually pinkish-purple blossoms in large terminal clusters.
..... Click the link for more information. . Boneset is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
..... Click the link for more information. , class Magnoliopsida, order Asterales, family Asteraceae.