Bidens eatonii Fernald (Q2562)

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Bidens eatonii is a taxon with the rank species within the genus Bidens
Language Label Description Also known as
English
Bidens eatonii Fernald
Bidens eatonii is a taxon with the rank species within the genus Bidens

    Statements

    taxon/id/Bidens eatonii Fernald
    0 references
    Bidens eatonii Fernald
    Bidens eatonii
    Fernald
    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
    bident d'Eaton (French)
    Eaton's beggarticks (English)
    Eaton's burr marigold (English)
    Bident d’Eaton (English)
    1 reference
    Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
    1 reference
    Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
    Flowering Sep–Oct.
    borders
    estuaries
    marshes
    tidal flats
    Leaves: petioles (narrowly, if at all, winged) 10–35+ mm;
    blades lanceovate to lanceolate, (20–) 35–100+ × 5–25+ mm, sometimes with 1–4 lobes near bases, bases cuneate, margins serrate, seldom ciliate, apices attenuate, faces glabrous.
    Heads borne singly or in 2s or 3s.
    Peduncles 10–35+ mm.
    Calyculi of (2–) 3–5 ± erect, oblanceolate to linear, ± foliaceous bractlets or bracts 7–25 (–70+) mm, margins sometimes obscurely ciliate, abaxial faces glabrous.
    Involucres usually cylindric to campanulate, rarely hemispheric, (4–) 8–10 (–12) × (4–) 7–9 mm.
    Phyllaries 5–6, oblong to lanceovate, 8–13 mm.
    Ray-florets usually 0, sometimes 1–3+;
    laminae yellow-orange, 2–5 (–10) mm.
    Disc-florets 7–30+;
    corollas yellowish, 2.5–3.5 mm.
    Cypselae blackish to purplish or red-brown,± flattened, sometimes 3–4-angled, narrowly oblanceolate, outer 5.5–10 mm, inner 6.5–11 mm, margins barbed or ciliate (proximally antrorsely, distally retrorsely), apices ± truncate, faces ± 1-nerved, glabrous or sparsely setulose, often ± striate and/or tuberculate, pappi of 2–4 (–5) erect to spreading, antrorsely or retrorsely barbed awns 3–4.5 mm. 2n = 48.