Silphium laciniatum Linnaeus (Q2796)

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Silphium laciniatum is a taxon with the rank species within the genus Silphium
Language Label Description Also known as
English
Silphium laciniatum Linnaeus
Silphium laciniatum is a taxon with the rank species within the genus Silphium

    Statements

    taxon/id/Silphium laciniatum Linnaeus
    0 references
    Silphium laciniatum Linnaeus
    Silphium laciniatum
    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
    silphe lacinié (French)
    plante boussole (French)
    compass plant (English)
    pilot weed (English)
    Compass plant (English)
    1 reference
    Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
    Flowering summer–early fall.
    prairies
    disturbed sites
    Stems terete, hirsute, hispid, or scabrous.
    Leaves: basal persistent, petiolate or sessile;
    cauline petiolate or sessile;
    blades lanceolate, linear, ovate, or rhombic, 4–60 × 1–30 cm, usually (proximal) 1–2-pinnately lobed, bases attenuate to truncate, ultimate margins unevenly toothed or entire, apices acute, faces hirsute, hispid, or scabrous.
    Phyllaries 25–45 in 2–3 series, outer reflexed or appressed, apices acuminate to caudate, abaxial faces hispid to scabrous, ± stipitate-glandular.
    Ray-florets 27–38;
    Disc-florets 100–275;
    Cypselae 10–18 × 6–12 mm;
    pappi 1–3 mm. 2n = 14.