Eupatorium perfoliatum
boneset
Genus name comes from the Greek name for these herbaceous and shrubby plants in honor of Mithridates VI Eupator, 132-63 B.C., King of Pontus, who reportedly discovered the medicinal uses for some Eupatorium species plants.
Specific epithet means perfoliate, having leaf bases that encircle the node, so that the stem apparently passes through it.
boneset
Genus name comes from the Greek name for these herbaceous and shrubby plants in honor of Mithridates VI Eupator, 132-63 B.C., King of Pontus, who reportedly discovered the medicinal uses for some Eupatorium species plants.
Specific epithet means perfoliate, having leaf bases that encircle the node, so that the stem apparently passes through it.
Rob Routledge, Sault College, Bugwood.org
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Richard Gardner, Bugwood.org
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