Packera hyperborealis (Greenman) Á. Löve & D. Löve (Q2897)

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Packera hyperborealis is a taxon with the rank species within the genus Packera
Language Label Description Also known as
English
Packera hyperborealis (Greenman) Á. Löve & D. Löve
Packera hyperborealis is a taxon with the rank species within the genus Packera

    Statements

    taxon/id/Packera hyperborealis (Greenman) Á. Löve & D. Löve
    0 references
    Packera hyperborealis (Greenman) Á. Löve & D. Löve
    Packera hyperborealis
    (Greenman) Á. Löve & D. 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
    Packera hyperborealis
    (Greenman) Á. Löve & D. Löve
    séneçon hyperboréal (French)
    northern groundsel (English)
    boreal groundsel (English)
    Northern groundsel (English)
    1 reference
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    1 reference
    Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
    1 reference
    Aiken, S.G., M.J. Dallwitz, L.L. Consaul, C.L., McJannet, R.L., Boles, G.W. Argus, J.M. Gillett, P.J. Scott, R. Elven, M.C. LeBlanc, L.J. Gillespie, A.K. Brysting, H. Solstad & J.G. Harris. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. [CD-ROM] NRC Research Press, National Research Council of Canada, Ottawa.
    Flowering mid Jun–early Aug.
    sandy areas
    fertile soils
    limestone
    Stems usually 1, sometimes multiple, bases and leaf-axils tomentose, otherwise glabrous.
    Basal leaves (and proximal cauline) petiolate;
    blades oblanceolate to obovate or lyrate (pinnately lobed to pinnatifid, terminal lobes larger than laterals), 10–30+ × 10–20+ mm, bases tapering, ultimate margins ± crenate to serrate.
    Cauline leaves gradually to abruptly reduced (sessile; pinnatisect or entire).
    Heads 1–2 (–5+) in cymiform arrays.
    Peduncles bracteate (bractlets purple-tinged), glabrous or glabrate.
    Calyculi 0 or inconspicuous (bractlets purple-tinged).
    Ray-florets 0 (rarely) or 10–12;
    corolla laminae 8–10 mm.
    Disc-florets 45–60+;
    corolla-tubes 3.5–4 mm, limbs 3–3.5 mm.
    Cypselae 1.5–2.5 mm, hirtellous on ribs;
    pappi 6–7 mm. 2n = 46.