Eupatorium perfoliatum Linnaeus (Q2599)

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Eupatorium perfoliatum is a taxon with the rank species within the genus Eupatorium
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English
Eupatorium perfoliatum Linnaeus
Eupatorium perfoliatum is a taxon with the rank species within the genus Eupatorium

    Statements

    taxon/id/Eupatorium perfoliatum Linnaeus
    0 references
    Eupatorium perfoliatum Linnaeus
    Eupatorium perfoliatum
    Linnaeus
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
    accepted
    Eupatorium perfoliatum
    eupatoire perfoliée (French)
    common boneset (English)
    boneset (English)
    perfoliate thoroughwort (English)
    Common boneset (English)
    eupatoire perfoliée (English)
    1 reference
    Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
    1 reference
    Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
    1 reference
    Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
    1 reference
    Catling, P.M., D.S. Erskine & R.B. MacLaren. 1985. The Plants of Prince Edward Island with new records, nomenclatural changes, and corrections and deletions. Agriculture Canada, Research Branch, Ottawa. Publication 1798. 272 pp.
    1 reference
    Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.
    Flowering Aug–Oct.
    low ground
    marshes
    roadsides
    swamps
    wet pastures
    Stems (from short caudices) single, sparsely branched distally, puberulent throughout.
    blades pinnately nerved, oblong (tapering toward apices), 50–150+ × 15–40 mm, bases connate-perfoliate, margins serrate, apices acute, faces pilose, glanddotted (abaxial), glabrate, not glanddotted (adaxial).
    Heads in corymbiform arrays.
    Phyllaries 7–10 in 1–2 series, oblong, 2–4.5 × 0.6–1 mm, apices (whitish) acute to acuminate, abaxial faces villous or puberulent, glanddotted.
    corollas 2.5–3 mm.
    Cypselae 1.5–2 mm;
    pappi of 20–30 bristles 3–3.5 mm. 2n = 20.