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
Language Label Description Also known as
English
Packera obovata (Muhlenberg ex Willdenow) W. A. Weber & Á. Löve
Packera obovata is a taxon with the rank species within the genus Packera

    Statements

    taxon/id/Packera obovata (Muhlenberg ex Willdenow) W.A. Weber & Á. Löve
    0 references
    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
    (Muhlenberg ex Willdenow) W.A. Weber & Á. Löve
    séneçon à feuilles obovales (French)
    round-leaved groundsel (English)
    round-leaved ragwort (English)
    Roundleaf ragwort (English)
    1 reference
    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.
    1 reference
    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.
    1 reference
    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/
    Mexico (Coahuila)
    Flowering late Feb–Apr (south), early Apr–early Jun (north).
    meadows
    deciduous woodlands
    wet ditches
    stream banks
    rocky hillsides
    Stems 1 or multiple, loosely clustered, usually glabrous, sometimes tomentose proximally and in leaf-axils.
    Basal leaves (and proximal cauline) petiolate;
    blades orbiculate, ovate, or obovate, 40–100+ × 20–80+ mm, bases tapering, rounded, or abruptly contracted, margins crenate, dentate, or serrate.
    Cauline leaves gradually reduced (sessile, clasping; pinnatisect or sublyrate).
    Heads 6–15+ in open or congested, corymbiform arrays.
    Peduncles bracteate, glabrous or proximally tomentose.
    Calyculi conspicuous.
    Ray-florets 8–13 (–21);
    corolla laminae 7–10 mm.
    Disc-florets 40–50+;
    corolla-tubes 2–3 mm, limbs 2–3 mm.
    Cypselae 1–1.5 mm, glabrous or hirsute on ribs;
    pappi 3–6 mm. 2n = 44, 88, 90.