Difference between revisions of "Heliopsis helianthoides (Linnaeus) Sweet (Q2771)"
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Latest revision as of 12:52, 24 June 2022
Heliopsis helianthoides is a taxon with the rank species within the genus Heliopsis
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Heliopsis helianthoides (Linnaeus) Sweet
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Heliopsis helianthoides is a taxon with the rank species within the genus Heliopsis
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Statements
taxon/id/Heliopsis helianthoides (Linnaeus) Sweet
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Heliopsis helianthoides (Linnaeus) Sweet
Heliopsis helianthoides
(Linnaeus) Sweet
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-MB
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CA-NB
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CA-NL
Nfld. and Labr. (Nfld.)
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CA-ON
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CA-QC
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CA-SK
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US-AL
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US-AR
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US-CO
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US-CT
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US-DE
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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-ME
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US-MA
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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-NC
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US-ND
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US-NH
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US-NJ
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US-NM
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US-NY
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US-NE
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US-OH
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US-OK
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US-PA
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US-RI
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US-SC
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US-SD
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US-TN
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US-TX
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US-VA
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US-VT
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US-WV
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US-WI
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Aerial stems (from creeping rhizomes to 4 cm × 2–6 mm, rhizome internodes mostly 2–10 mm) 1–10+, stramineous to reddish-brown, glabrous or hairy.
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Leaf-blades ovate to deltate-lanceolate, 6–12 (–15) × 2–6 (–12) cm, margins regularly to irregularly and coarsely dentate, apices acute to acuminate, faces glabrous, sparsely pubescent, moderately to densely scabrellous, or scabrous.
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Peduncles 9–25 cm.
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Involucres 12–25 mm diam.
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Phyllaries glabrescent to densely pubescent on margins, apices, and abaxial faces.
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Paleae lanceolate to oblong, apices obtuse, faces glabrous.
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Ray-florets 10–18;
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corollas golden yellow, laminae mostly 2–4 cm × 6–13 mm.
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Disc-florets 10–75+;
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corollas yellowish to brownish yellow (lobes brighter than tubes), 4–5 mm, glabrous.
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Cypselae 4–5 mm, glabrous or pubescent on angles, smooth;
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pappi 0 or of 2–4 minute, toothlike scales.
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2n = 28 (variety unknown).
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scabrellous
moderately to densely; densely
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4 minute , toothlike scales
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