Saussurea americana D. C. Eaton (Q3038)

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Saussurea americana is a taxon with the rank species within the genus Saussurea
Language Label Description Also known as
English
Saussurea americana D. C. Eaton
Saussurea americana is a taxon with the rank species within the genus Saussurea

    Statements

    taxon/id/Saussurea americana D.C. Eaton
    0 references
    Saussurea americana D.C. Eaton
    Saussurea americana
    D.C. Eaton
    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
    saussurée d'Amérique (French)
    American sawwort (English)
    American saw-wort (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/
    1 reference
    Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
    1 reference
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    Flowering Jul–Aug.
    moist canyons
    meadows
    streamsides
    montane forests
    1000–2600 m
    Plants 30–120+ cm;
    rootstocks short, stout;
    herbage loosely tomentose when young, glabrescent, sometimes ± glandular.
    Stems 1–many, leafy, simple or with ascending branches.
    Leaves cauline, usually more than 20, well distributed, proximal and mid with winged petioles to 6 cm, wings sometimes decurrent 1–2 cm on stems, blades lanceolate to triangular-ovate, 5–15 cm, bases cordate to truncate or tapering, margins sharply dentate, apices acute;
    mid and distal usually sessile, smaller, narrower, bases tapering.
    Heads 5–30+ in tight to open corymbiform arrays;
    (peduncles 0–5 cm).
    Involucres 10–15 mm.
    Phyllaries in ca. 5 series, strongly unequal, outer ± ovate, inner lanceolate, abaxial faces pale green, distally dark purplish to nearly black, loosely tomentose.
    Receptacles naked.
    corollas usually pale lavender-blue to dark purple (rarely white), 11–13 mm;
    tubes 5–6.5 mm, throats 1.5–2 mm, lobes 3.5–4 mm.
    Cypselae 4–6 mm;
    pappus bristles brownish, outer 3–7 mm, inner 9–10 mm.