Packera obovata (Muhlenberg ex Willdenow) W. A. Weber & Á. Löve (Q2900)
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Packera obovata is a taxon with the rank species within the genus Packera
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Packera obovata (Muhlenberg ex Willdenow) W. A. Weber & Á. Löve
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Packera obovata is a taxon with the rank species within the genus Packera
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Statements
taxon/id/Packera obovata (Muhlenberg ex Willdenow) W.A. Weber & Á. Löve
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Packera obovata (Muhlenberg ex Willdenow) W.A. Weber & Á. Löve
Packera obovata
(Muhlenberg ex Willdenow) W.A. Weber & Á. Löve
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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(Muhlenberg ex Willdenow) W.A. Weber & Á. Löve
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CA-BC
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Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
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-QC
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Centre de données sur le patrimoine du Québec, 2010. Gouvernement du Québec. http://www.cdpnq.gouv.qc.ca (consulted 2011-01-25) http://www.cdpnq.gouv.qc.ca/
CA-ON
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CA-QC
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US-AL
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US-AR
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US-CT
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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-KS
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US-KY
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US-LA
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US-MD
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US-MA
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US-MI
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US-MS
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US-MO
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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-NC
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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-TN
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US-TX
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US-VT
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US-VA
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Flowering late Feb–Apr (south), early Apr–early Jun (north).
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Stems 1 or multiple, loosely clustered, usually glabrous, sometimes tomentose proximally and in leaf-axils.
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Basal leaves (and proximal cauline) petiolate;
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blades orbiculate, ovate, or obovate, 40–100+ × 20–80+ mm, bases tapering, rounded, or abruptly contracted, margins crenate, dentate, or serrate.
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Cauline leaves gradually reduced (sessile, clasping; pinnatisect or sublyrate).
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Heads 6–15+ in open or congested, corymbiform arrays.
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Peduncles bracteate, glabrous or proximally tomentose.
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Calyculi conspicuous.
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Ray-florets 8–13 (–21);
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corolla laminae 7–10 mm.
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Disc-florets 40–50+;
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corolla-tubes 2–3 mm, limbs 2–3 mm.
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Cypselae 1–1.5 mm, glabrous or hirsute on ribs;
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pappi 3–6 mm. 2n = 44, 88, 90.
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tomentose
sometimes; proximally
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