Senecio squalidus Linnaeus (Q2938)

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Senecio squalidus is a taxon with the rank species within the genus Senecio
Language Label Description Also known as
English
Senecio squalidus Linnaeus
Senecio squalidus is a taxon with the rank species within the genus Senecio

    Statements

    taxon/id/Senecio squalidus Linnaeus
    0 references
    Senecio squalidus Linnaeus
    Senecio squalidus
    Linnaeus
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
    accepted
    séneçon luisant (French)
    séneçon sordide (French)
    Oxford ragwort (English)
    Oxford groundsel (English)
    Oxford ragwort (English)
    1 reference
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1020&flora_id=1
    Europe
    Flowering late winter–spring or fall.
    disturbed sites
    regions
    damp climates
    Herbage sparsely, unevenly floccose to subglabrous, glabrescent.
    Stems single (branching distally).
    petiolate (proximal, petioles ± winged);
    blades obovate to oblong, 4–10 × 2–4+ cm, mostly lyrate-pinnatifid to pinnate, bases tapered, ultimate margins dentate (distal leaves similar, smaller, sessile).
    Heads (3–) 6–20 in open, cymiform arrays.
    Calyculi of 4–10+ bractlets (1–2+ mm).
    Phyllaries (± 13) ± 21, 5–6+ mm, tips black.
    Ray-florets ± 13;
    corolla laminae 5–8 mm.