Eupatorium altissimum L. - Tall Boneset


 

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Eupatorium altissimum - (image 1 of 4)

 

Taxonomy

Family: Asteraceae

Habitat

As a somewhat weedy element in dry abandoned fields, old pastures. Woods, savannas, glades and clearings. Favors disturbed areas.

Associates

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Distribution

CT and NY, south to FL, west MN to TX.

Morphology

Rhizomatous perennial to 2 m. Stems downy-pubescent throughout. Leaves numerous, pubescent; principle stem leaves opposite, serrate above the middle or occasionally entire, sessile to subpetiolate base.  Flowers white; florets 5 per head

Notes

Flowers August to October

Wetland indicator: Upland

This plant is unpalatable to livestock, which may explain why it is can be abundant in pastures.

 


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 Michael Hough 2004