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Eupatoriadelphus maculatus (L.) King & H. Rob.
Joe-Pye Weed, Spotted trumpetweed
USDA Symbol: euma12
USDA Native Status: Native to U.S.
3-6 feet tall unbranched native perennial plant bearing branched flower stalks at the top. Main stem is purple or purple-spotted, stout and round, often covered with fine white hairs. Whorls of 4 or 5 yellowish green leaves occur along the central stem Leaves up to 8 long and 2½ across, ovate to narrowly ovate with serrated margins and conspicuous veins. Pink or purple flowers occur in flat-headed clusters several inches across containing 8-20 disk florets and no ray florets. Fruit an achene with hair-like bristles dispersed by the wind.
The Joe-Pye Weeds have been assigned to the genus Eupatoriadelphus to separate them from the Bonesets (Eupatorium). Some sources still refer to this species as Eupatorium. The genus Eupatoriadelphus differs from the genus Eupatorium by whorled leaves, while Eupatorium has opposite leaves.
Bloom InformationBloom Color: Pink , Purple
Bloom Time: Aug , Sep
Bloom Notes: Blooming period from mid- to late summer lasting about a month.
AZ , CO , CT , GA , IA , ID , IL , IN , KS , KY , MA , MD , ME , MI , MN , MO , MT , NC , ND , NE , NH , NJ , NM , NY , OH , PA , RI , SD , TN , UT , VA , VT , WA , WI , WV , WY Canada: AB
, SK USDA Native Status: L48(N), CAN(N)
Growing ConditionsLight Requirement: Sun , Part Shade
Soil Moisture: Moist , Wet
BenefitUse Wildlife: Not a preferred food source for herbivores, but may be eaten occasionally by deer, rabbits and livestock.
Conspicuous Flowers: yes
Fragrant Flowers: yes
Interesting Foliage: yes
Larval Host: The caterpillars of some moth species feed on various parts.
Nectar Source: yes
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Record Modified: 2009-02-01
Research By: DEW