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Photographer: Derek Anderson
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Family Asteraceae
Eupatorium perfoliatum L. var. perfoliatum
boneset, common boneset, thoroughwort
Eupatorium: from Greek name Mithridates Eupator, King of Pontus about 115BC who is said to have discovered an antidote to a commonly used poison in one of the species
perfoliatum: Latin for "through the leaf"
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| Status: | Native |
| Plant: | erect, perennial, 3'-4' tall forb; stems with long spreading hairs |
| Flower: | head with 9-23 white disk flowers; inflorescence 6" flat to roundish, branched clusters; blooms July-Oct. |
| Fruit: | dry seed on fluffy pappus |
| Leaf: | opposite, sharply toothed, pointed tip and a wide base surrounding the stem  |
| Habitat: | full sun; wet to moderate moisture; meadows, prairies, shores; in sandy, loamy soil |
| (Glossary) |
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