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Pilewort (Erechtites hieracifolia) |
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Brickellia eupatoroides The leaves of False Boneset are much narrower and more weakly toothed.
Conyza canadensis The flowers of Horseweed are smaller and much more numerous. The leaves of Horseweed are narrow, almost grasslike. Pilewort (Erechtites hieracifolia) Identification: Flowers elongate, ugly, without ray florets, tufted with white disk florets. Base of flower swollen and most of flower covered with a green covering of bracts. Stem grooved, strong smelling. Middle to lower leaves broad in the center, tapering to both apex and base [white tracing in leaves in photographs are insect mines]. Leaf outer margin strongly toothed. Plant 1 to 8 feet in height. Distribution: Throughout most of eastern North America. Also occurs in the Plains States and along the Pacific coast. Habitat: Pilewort is a species of thickets, forest clearings and margins, and burned over areas. Flowering period: July to October.
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Pilewort (Erechtites hieracifolia)
Similar Species: The insignificant, rayless flower with its swollen base, the grooved stem, and broadly toothed leaf margin are distinctive. False Boneset (Brickellia eupatoroides) Horseweed (Conyza canadensis)
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Similar Species |
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