Also called Jopi weed. [1]   Also punctuated Joe-Pye weed.

A genus of 5 species of flowering plants in aster / daisy / 🌻︎ sunflower  family Asteraceae.   Before being given their own genus, these species were formerly part of sister boneset / snakeroot / thoroughwort  genus Eupatorium.

Native to central and eastern North America.

One of our authors hears that to reduce the adult and bloom height of the plant, during early growing season and before it blooms, cut the stems.

References

[1]  The common names Joe Pye weed and Jopi weed apparently are from a Mahican/Mohican healer or leader, Joseph Shauquethqueat, who apparently earned the name Jopi by healing people from the disease typhoid or typhus fever (different sources).  The disease was called jopi or jopai in the local language.    — "Joe Pye, Joe Pye's Law, and Joe-Pye-Weed:  The History and Eponymy of the Common Name Joe-Pye-Weed for Eutrochium Species (Asteraceae)."  The Great Lakes Botanist.  2017-July.  (.pdf)   Accessed 2019-08-17.

Learn more about Joe Pye weed genus Eutrochium

Eutrochium hosts caterpillars of 42 species
of butterflies and moths, in some areas,

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