Silphium laciniatum Linnaeus (Q2796)
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Silphium laciniatum is a taxon with the rank species within the genus Silphium
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Silphium laciniatum Linnaeus
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Silphium laciniatum is a taxon with the rank species within the genus Silphium
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Statements
taxon/id/Silphium laciniatum Linnaeus
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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
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CA-ON
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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.
CA-ON
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US-AL
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US-AR
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US-IL
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US-IN
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US-IA
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US-KS
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US-KY
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US-LA
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US-MI
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US-MN
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US-MS
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US-MO
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US-NE
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US-NM
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US-NY
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US-OH
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US-OK
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US-PA
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US-SD
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US-TN
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US-TX
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US-WI
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50–600 m
50 meter
600 meter
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Stems terete, hirsute, hispid, or scabrous.
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Leaves: basal persistent, petiolate or sessile;
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cauline petiolate or sessile;
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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.
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Phyllaries 25–45 in 2–3 series, outer reflexed or appressed, apices acuminate to caudate, abaxial faces hispid to scabrous, ± stipitate-glandular.
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Ray-florets 27–38;
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Disc-florets 100–275;
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Cypselae 10–18 × 6–12 mm;
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pappi 1–3 mm. 2n = 14.
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stipitate-glandular
more or less
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