Difference between revisions of "Silphium integrifolium Michaux (Q2797)"
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Latest revision as of 12:52, 24 June 2022
Silphium integrifolium is a taxon with the rank species within the genus Silphium
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Silphium integrifolium Michaux
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Silphium integrifolium is a taxon with the rank species within the genus Silphium
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Statements
taxon/id/Silphium integrifolium Michaux
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Silphium integrifolium Michaux
Silphium integrifolium
Michaux
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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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-MS
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US-MO
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US-NM
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US-NE
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US-OK
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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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US-WY
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Stems terete to slightly square, sparsely scabrous or glabrous (sometimes glaucous).
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Leaves: basal caducous;
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cauline opposite, sessile;
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blades lanceolate to ovate, 2–23 × 0.1–11 cm, bases round to caudate, margins finely serrate or entire, apices acute to acuminate, faces hispid, scabrous, or glabrous.
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Phyllaries 17–37 in 2–3 series, outer appressed, apices acute to acuminate, abaxial faces glabrous, hispid, pilose, or scabrous, sometimes stipitate-glandular.
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Ray-florets 12–36;
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Disc-florets 70–225;
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Cypselae 9–14 × 6–10 mm;
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stipitate-glandular
sometimes
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