Eutrochium maculatum

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Spotted Joe-pye Weed
E. maculatum in Portage, Michigan, USA
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Genus: Eutrochium
Species: E. maculatum
Binomial name
Eutrochium maculatum
(L.) E.E.Lamont
Synonyms
  • Eupatorium maculatum L.
  • E. purpureum subsp. maculatum
    (L.) Á.Löve & D.Löve
  • E. purpureum var. maculatum (L.) Voss
  • E. trifoliatum var. maculatum
    (L.) Farw.
  • Eupatoriadelphus maculatus
    (L.) R.M.King & H.Rob.

Eutrochium maculatum (spotted Joe-Pye weed) is a species of flowering plant in the family Asteraceae. It is native to North America, ranging from Missouri east to the Atlantic Ocean and as far north as Ontario and Quebec, south to Kentucky.[1]

It is an herbaceous perennial growing to 2 m (6 ft 7 in) with rose-purple flowers in late summer.[2] The binomial name maculatum, meaning spotted, refers to the purple spots on the stem.[3]

Spotted Joe-Pye weed thrives in marshes, rich fens and swamps. It also does well in man-made moist expanses such as ditches, seepage areas and wet fields. Above all else the plant flourishes in the non-shaded environments that are so abundant in wetlands.[4]

References

  1. ↑ Eutrochium maculatum, Natural Resources Canada
  2. ↑ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964. 
  3. ↑ Dickinson, T.; Metsger, D.; Bull, J.; & Dickinson, R. (2004) ROM Field Guide to Wildflowers of Ontario. Toronto:Royal Ontario Museum, p. 164.
  4. ↑ "Eutrochium maculatum var. maculatum". New York Flora Association. 2005. Retrieved 2008-09-24. 
Ottawa, Ontario
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