Sonchus arvensis Linnaeus (Q3168)

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

    Statements

    taxon/id/Sonchus arvensis Linnaeus
    0 references
    Sonchus arvensis Linnaeus
    Sonchus arvensis
    Linnaeus
    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
    field sow-thistle (English)
    perennial sow-thistle (English)
    corn sow-thistle (English)
    laiteron des champs (French)
    Field sow-thistle (English)
    laiteron des champs (English)
    Europe
    also in South America
    Africa
    Pacific Islands (New Zealand)
    Australia
    Stem-bases hard, sometimes ± woody.
    Leaves: blades of mid cauline oblong to lanceolate, (3–) 6–40 × 2–15 cm, bases auriculate, auricles straight or curved, rounded, margins usually pinnately lobed, lobes ± deltate, not constricted at bases, terminals usually larger than laterals, dentate or entire.
    Peduncles sessile or stipitate-glandular.
    Involucres 10–17+ mm.
    Phyllaries sessile or stipitate-glandular.
    Corollas: ligules ± equaling tubes.
    Cypselae dark-brown, oblanceoloid to ellipsoid, 2.5–3.5 mm, ribs 4–5 (+) on each face, faces transversely rugulose to tuberculate across and between ribs;
    pappi 8–14 mm. 2n = 36, 54.