Agoseris ×elata (Nuttall) Greene (Q3054)

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Agoseris ×elata is a taxon with the rank species within the genus Agoseris
Language Label Description Also known as
English
Agoseris ×elata (Nuttall) Greene
Agoseris ×elata is a taxon with the rank species within the genus Agoseris

    Statements

    taxon/id/Agoseris ×elata (Nuttall) Greene
    0 references
    Agoseris ×elata (Nuttall) Greene
    Agoseris ×elata
    (Nuttall) Greene
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
    accepted
    Willamette agoseris (English)
    tall agoseris (English)
    Willamette agoseris (English)
    1 reference
    Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
    and montane meadows or open pine forests
    1400–2800 m
    Flowering Jun–Sep.
    lowland prairies
    Leaves erect to ascending;
    blades usually oblanceolate, sometimes lanceolate or obovate, 15–25 cm, margins usually toothed to lobed or pinnatifid, rarely entire, lobes 2–4 pairs, lanceolate to triangular, antrorse to spreading, lobules mostly 0, faces glabrous and glaucous or sparsely villous.
    Peduncles ± elongating after flowering, 15–65 (–90) cm in fruit, glabrate, or apically pubescent or villous, ± stipitate-glandular.
    Involucres obconic to campanulate, 2–4 cm in fruit.
    Phyllaries in 2–4 series, medially rosy purple, sometimes purple-black apically, rarely all green or purple-black spotted, faces pubescent to villous, ± stipitate-glandular;
    outer mostly spreading, adaxially ± villous and eglandular;
    inner erect, elongating after flowering.
    Receptacles epaleate.
    Florets (25–) 50–150;
    corollas orange or yellow, tubes 8–10 mm, ligules 6–8 (–12) × 1–3 mm;
    anthers 2–3 (–5) mm.
    Cypselae (11–) 14–20 mm, bodies ± fusiform, (6–) 8–10 mm, beaks 5–10 mm, mostly equaling bodies;
    ribs broadly ridged, straight;
    pappus bristles in 2–3 series, 10–14 mm.