Logfia arvensis (Linnaeus) Holub (Q2684)

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Logfia arvensis is a taxon with the rank species within the genus Logfia
Language Label Description Also known as
English
Logfia arvensis (Linnaeus) Holub
Logfia arvensis is a taxon with the rank species within the genus Logfia

    Statements

    taxon/id/Logfia arvensis (Linnaeus) Holub
    0 references
    Logfia arvensis (Linnaeus) Holub
    Logfia arvensis
    (Linnaeus) Holub
    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
    cotonnière des champs (French)
    gnaphale des champs (French)
    field cottonrose (English)
    field fluffweed (English)
    field filago (English)
    common fluffweed (English)
    field cudweed (English)
    Field cottonrose (English)
    cotonnière des champs (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
    Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
    1 reference
    Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
    Eurasia
    nw Africa
    Flowering and fruiting mid Jun–mid Sep.
    gravelly soils
    disturbed sites
    ditch banks
    lakeshores
    clear cuts
    sandy to gravelly soils
    disturbed sites ( road
    old fields
    dwellings
    Plants 3–50 [–70] cm.
    Stems usually 1, erect;
    branches leafy between proximal forks, remaining grayish to whitish, lanuginose to sericeous.
    Leaves oblanceolate to lanceolate, largest 14–20 (–40) × 3–4 (–5) mm, pliant;
    longest capitular leaves 0.8–1.5 (–2) times head heights, acute.
    Heads mostly in glomerules of 2–10 (–13) in racemiform to paniculiform arrays, broadly pyriform to ± cylindric, largest 4–6 × 3.5–5 mm.
    Phyllaries 0, vestigial, or 1–4, unequal, ± like paleae.
    Receptacles ± fungiform, 0.4–0.7 mm, heights 0.4–0.5 times diams.
    Pistillate paleae (except innermost) 2–4 (–6) in 1 (–2) series, spirally ranked, loosely saccate, incurved 20–60°, scarcely gibbous, not galeate, longest 3.3–4.5 mm, distal 5–10% of lengths glabrous abaxially;
    bodies ± cartilaginous, ± terete;
    wings obscured by indument.
    Innermost paleae ± 8, spreading in 2 series, pistillate.
    Pistillate florets: outer 2–4 (–6) epappose, inner 15–20 pappose.
    Bisexual florets 3–4;
    corollas 2.3–3 mm, lobes mostly 4, reddish to purplish.
    Cypselae: outer nearly straight, ± erect, compressed, 0.9–1.1 mm;
    pappi of 17–23 bristles falling in complete or partial rings, 2.5–3.5 mm. 2n = 28 (Caucasus, Finland, Germany, Slovakia).