Prepared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated February 2018. Scientific name: Eupatorium perfoliatum L. Common name(s): common boneset, boneset, boneset thoroughwort Links: USDA PLANTS Profile, NPIN Profile, Go Botany Images: (to see enlargements [PC]: click on image, then right click and choose “view image”)
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mid-June
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mid-July
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inflorescence, early flowering mid-July
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leaves are “fused” around stem
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inflorescence, August
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