Senecio vulgaris L.
  • Sp. Pl.


This taxon is accepted by Compositae
Notes: More details could be found in The Plant List v.1.1. Originally in The Plant List v.1.0

General Information

"Annual 1–4 dm from a ± evident taproot, leafy throughout, sparsely crisp-hairy or subglabrous; lvs coarsely and irregularly toothed to more often pinnatifid, 2–10 × 0.5–4.5 cm, the lower tapering to the petiole or petiolar base, the upper sessile and clasping; heads several or many, discoid, the fls all tubular and perfect; disk 5–10 mm wide; invol 5–8 mm, with ca 21 principal bracts and some short but well developed, black-tipped bracteoles; pappus very copious, from a little shorter than to equaling or generally surpassing the cors; achenes short-hairy chiefly along the angles; 2n=40. A weed in disturbed soil and waste places; native of the Old World, now widely distributed in n. temp. regions, and throughout our range. May–Oct."

  • Provided by: [E].New York Botanical Garden
    • Source: [
    • 6
    • ]. 

    Morphology

    Capitula discoid, in congested terminal corymbs; stalk of individual heads with long white pubescence, glabrescent; involucre cylindrical, 7–8 mm long, 2.5 mm in diameter; bracts of calyculus ± 8, imbricate, lanceolate, glabrous, up to 2 mm long; phyllaries ± 19, glabrous, 6.5–7.5 mm long.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 5
    • ]. 

    Basal leaves sessile, oblanceolate or oblanceolate-elliptic in outline, tapered into an expanded exauriculate petioloid base, pinnately toothed or lobed, rounded, soon disappearing; stem leaves sessile, oblong to broadly oblong in outline, auriculate, semi-amplexicaul, shortly to deeply pinnately lobulate with oblong to oblong-linear, apiculate-dentate lobes, 2.3–6 cm long, 0.15–0.6 (–1–1.7 cm across the lobes) cm wide; all leaves with scattered long white hairs above on midrib and beneath especially on midrib.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 5
    • ]. 

    Stems at first white-pubescent, glabrescent.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 5
    • ]. 

    Annual herb 14–37 cm high.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 5
    • ]. 

    Achenes 2.5 mm long, ribbed, hairy in the grooves; pappus 5–5.5 mm long.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 5
    • ]. 

    Ray florets 0; disc florets yellow, corolla 5 mm long, tube expanded in the upper 1/3, glabrous, narrowly tubular below, lobes 0.5 mm long.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 5
    • ]. 

    Erect, subglabrous annual or biennial to 40 cm. Leaves oblong-oblanceolate, irregularly lacerate-pinnatifid, lower petiolate, upper auriculate. Flower heads discoid, in leafy corymbs, yellow, involucre calycled; florets with lower slender portion of tube 3x as long as upper inflated portion.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 7
    • ]. 

    Habitat

    Weed of disturbed places.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 7
    • ]. 

    Distribution

    European weed.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 7
    • ]. 

    Distribution Map

     
    • Introduced distribution
    Introduced into
    • Southern America Brazil Rio Grande do Sul
    • São Paulo

      Bibliography

     Information From

    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    http://floradobrasil.jbrj.gov.br
    Brazil Flora G (2014): Brazilian Flora 2020 project - Projeto Flora do Brasil 2020. v393.147. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Dataset/Checklist. doi:10.15468/1mtkaw
    • A Group Brazil Flora, REFLORA Program
    Compositae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • B CC0 1.0 Universal (CC0 1.0).
    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.21
    • C All Rights Reserved
    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • D
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • E Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).