Dogfennel ( Eupatorium capillifolium ) is a species of plant in the Asteraceae, an annual herb, up to 2 meters tall, with several stems branching from the base and stout, the base covered with green thread-like leaves branching out from the stem in a fractal pattern. E. capillifolium has leaves with a sour odor similar to dill pickles. The flowers have a mild odor. This species thrives on roadsides, fields and disturbed areas. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Asterales Family: Asteraceae Subfamily: Asteroideae Tribe: Eupatorieae Subtribe: Eupatoriinae Genus: Eupatorium L. in Sp. Pl.: 836 (1753) Species: Eupatorium capillifolium (Lam.) Small ex Porter & Britton in Mem. Torrey Bot. Club 5: 311 (1894) HOMOTYPIC SYNONYMS Artemisia capillifolia Lam. in Encycl. 1: 267 (1783) HETEROTYPIC SYNONYMS Artemisia tenuifolia Willd. in Sp. Pl., ed. 4. 3: 1819 (1803) Chrysocoma capillacea Michx. in Fl. Bor.-Amer. 2: 101 (1803) Eupat...
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