Difference between revisions of "Helianthus hirsutus Rafinesque (Q2756)"
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Latest revision as of 12:52, 24 June 2022
Helianthus hirsutus is a taxon with the rank species within the genus Helianthus
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Helianthus hirsutus Rafinesque
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Helianthus hirsutus is a taxon with the rank species within the genus Helianthus
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Statements
taxon/id/Helianthus hirsutus Rafinesque
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Helianthus hirsutus Rafinesque
Helianthus hirsutus
Rafinesque
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
present
introduced
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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-CT
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US-DE
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US-DC
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US-FL
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US-GA
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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-MD
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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-NY
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US-NC
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US-OH
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US-OK
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US-PA
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US-SC
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US-TN
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US-TX
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US-VA
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US-WV
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US-WI
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10–900+ m
10 meter
900 meter
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Stems erect, hirsute.
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petioles 0.4–2 cm;
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blades (3-nerved from bases) lanceolate to ovate, 6.5–18 × 1–8 cm, bases truncate to broadly rounded or cuneate, margins subentire to serrate (flat), abaxial faces ± hirsute, glanddotted (adaxial not glanddotted).
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Involucres hemispheric, 10–25 mm diam.
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Phyllaries 18–25 (usually loose, spreading, not reflexed), lanceolate, 7–12 × 2.5–3.5 mm, (margins ciliate) apices acute to short-acuminate, abaxial faces not glanddotted.
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Paleae 7–10 mm, 3-toothed (apices yellowish, hairy).
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Ray-florets 10–15;
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laminae 15–20 mm.
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Disc-florets 40+;
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corollas 5.5–6.5 mm, lobes yellow;
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anthers dark-brown or black, appendages dark or yellowish.
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Cypselae 4–4.5 mm, glabrate or distally puberulent;
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pappi of 2 aristate scales 2.5–3.2 mm. 2n = 68.
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truncate
broadly rounded or cuneate
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