Verbesina alternifolia (Linnaeus) Britton ex Kearney (Q2804)

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Verbesina alternifolia is a taxon with the rank species within the genus Verbesina
Language Label Description Also known as
English
Verbesina alternifolia (Linnaeus) Britton ex Kearney
Verbesina alternifolia is a taxon with the rank species within the genus Verbesina

    Statements

    taxon/id/Verbesina alternifolia (Linnaeus) Britton ex Kearney
    0 references
    Verbesina alternifolia (Linnaeus) Britton ex Kearney
    Verbesina alternifolia
    (Linnaeus) Britton ex Kearney
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
    accepted
    Verbesina alternifolia
    (Linnaeus) Britton ex Kearney
    verbésine à feuilles alternes (French)
    éclipte (French)
    wingstem (English)
    alternate-leaved crownbeard (English)
    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.
    Flowering Aug–Oct.
    alluvial flats
    streams
    Plants (30–) 100–200+ cm (perennating bases ± erect or horizontal rhizomes, internodes winged, at least proximal).
    Leaves all or mostly alternate (proximal sometimes opposite);
    blades lance-elliptic or lanceolate to lance-linear, 10–25+ × 2–8+ cm, bases narrowly cuneate, margins coarsely toothed to subentire, apices attenuate, faces scabrellous.
    Heads (3–) 8–25 (–50+) in corymbiform to paniculiform arrays.
    Involucres ± saucerlike, 10–12+ mm diam.
    Phyllaries 8–12+ in 1 (–2) series, ± spreading to reflexed, spatulate or lance-linear to linear, 3–8+ mm.
    Ray-florets (2–) 6–8+;
    laminae 15–25+ mm.
    Disc-florets 40–60+;
    Cypselae dark-brown to black, oblanceolate to ± orbiculate, 4.5–5 mm, faces sparsely hirtellous to glabrate;
    pappi 1.5–2 mm. 2n = 68.