Senecio 


Cite taxon page as 'WFO (2020): Senecio . Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000035060. Accessed on: 13 Jul 2020'

General Information

"Heads radiate or sometimes discoid, the rays pistillate and fertile, yellow to orange or occasionally reddish, invol bracts ± herbaceous, essentially equal, uniseriate or subbiseriate, often with some bracteoles at base; receptacle flat or convex, naked; disk- fls perfect and fertile, yellow to orange or reddish; style-branches flattened, truncate, penicillate; achenes subterete, 5–10-nerved; pappus of numerous, usually white, entire or rarely barbellulate capillary bristles; herbs (ours) or sometimes woody plants, with alternate (or all basal), entire to variously dissected lvs and mostly small to medium-sized heads. 1000+, cosmop. Spp. 4–14 ill- defined, their chromosomes also subject to miscount because of B-chromosomes."

  • Provided by: [C].New York Botanical Garden
    • Source: [
    • 4
    • ]. 

    Morphology

    Flowers mostly yellow, sometimes purple or reddish; anthers ecaudate, obtuse or sagittate at base, appendiculate at apex; style branches obtuse or truncate with a ring of hairs and stigmatic lines

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
    • 3
    • ]. 

    Achenes cylindrical, ellipsoid or obovoid, with a pappus of fine bristles.

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
    • 3
    • ]. 

    Capitula discoid or radiate, usually stalked, solitary or in groups which often form corymbose cymes; involucre usually with a single row of phyllaries subtended by a small calyculus of much smaller bracts; phyllaries free or rarely connate, with membranous or scarious margin

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
    • 3
    • ]. 

    Inflorescence from solitary capitula to very compound many-headed cymes or panicles

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
    • 3
    • ]. 

    Leaves usually alternate, very variable

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
    • 3
    • ]. 

    Annual or perennial herbs or shrubs, sometimes scandent

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
    • 3
    • ]. 

    Included Species

      Bibliography

     Information From

    Compositae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • A CC0 1.0 Universal (CC0 1.0).
    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
    • B
    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.
    • C 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.
    • D CC0 1.0 Universal (CC0 1.0).