Flora of Pennsylvania

Eupatorium

Eupatorium thoroughwort

Thoroughworts are perennial herbs with opposite or occasionally whorled leaves.  Inflorescences are corymbiform and flat-topped or round-topped with perfect florets.

Eupatorium godfreyanum (Godfrey's Eupatorium)
Eupatorium godfreyanum (Godfrey's Eupatorium) Plant is native to PA

Eupatorium perfoliatum (common boneset)
Eupatorium perfoliatum (common boneset) Plant is native to PA

This perennial herbaceous plant has flat-topped …

Eupatorium pilosum (ragged eupatorium)
Eupatorium pilosum (ragged eupatorium) Plant is native to PA

Eupatorium pubescens (inland roundleaf eupatorium)
Eupatorium pubescens (inland roundleaf eupatorium) Plant is native to PA

Eupatorium serotinum (late thoroughwort)
Eupatorium serotinum (late thoroughwort) Plant is native to PA

There are several species of thoroughworts in the …

Eupatorium thoroughwort

Eupatorium gallery
Common Names
thoroughwort