Bidens bipinnata L.
  • Sp. Pl.: 832 (1753)
  • Forbicina bipennata


Cite taxon page as 'WFO (2021): Bidens bipinnata L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000028784. Accessed on: 28 Sep 2021'

General Information

Annual herbs, (15-)30-100(-150+) cm. Petioles 20-50 mm; leaf blade orbicular-deltate to ovate or lanceolate overall, (20-)30-70+ × (20-)30-60+ mm, (1 or)2(or 3)-pinnatisect, ultimate lobes obovate or lanceolate, 15-45+ × 10-25+ mm, both surfaces usually glabrous, sometimes hirtellous, bases truncate to cuneate, ultimate margin entire, sometimes ciliolate, apices rounded to acute or attenuate. Synflorescences of solitary capitula or ± corymbose; peduncles (10-)20-50(-100) mm. Capitula radiate or discoid; calycular bracts (7 or)8(-10), linear, 3-5 mm, ± appressed, abaxially usually glabrous, margin ciliate; involucres ± campanulate, 5-7 × 3-4(-5) mm; phyllaries 8-12, lanceolate to linear, 4-6 mm. Ray florets absent or 3-5+; lamina yellowish or whitish, 1-2(-3) mm. Disk florets 10-20(-30+); corollas yellowish to whitish, 2-3 mm. Achenes red-brown, outer weakly obcompressed, 7-15 mm, inner ± 4-angled, linear to linear-fusiform, 12-18 mm, faces 2-grooved, often tuberculate-hispidulous, margin not ciliate, apex ± attenuate; pappus of (2 or)3 or 4 erect to divergent, retrorsely barbed awns 2-4 mm. Fl. Aug-Oct. 2n = 24, 72.

  • Provided by: [G].Flora Of CHina @ efloras.org
    • Source: [
    • 6
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    Annuals, (15–)30–100(–150+) cm. Leaves: petioles 20–50 mm; blades rounded-deltate to ovate or lanceolate overall, (20–)30–70+ × (20–)30–60+ mm, (1–)2(–3)-pinnatisect, ultimate lobes obovate or lanceolate, 15–45+ × 10–25+ mm, bases truncate to cuneate, ultimate margins entire, sometimes ciliolate, apices rounded to acute or attenuate, faces usually glabrous, sometimes hirtellous. Heads usually borne singly, sometimes in ± corymbiform arrays. Peduncles (10–)20–50(–100) mm. Calyculi of (7–)8(–10) linear bractlets 3–5 mm, ± appressed, margins ciliate, abaxial faces usually glabrous. Involucres ± campanulate, 5–7 × 3–4(–5) mm. Phyllaries 8–12, lanceolate to linear, 4–6 mm. Ray florets 0 or 3–5+; laminae yellowish or whitish, 1–2(–3) mm. Disc florets 10–20(–30+); corollas yellowish to whitish, 2–3 mm. Cypselae red-brown, outer weakly obcompressed, 7–15 mm, inner ± 4-angled, linear to linear-fusiform, 12–18 mm, margins not ciliate, apices ± attenuate, faces 2-grooved, often tuberculate-hispidulous; pappi of (2–)3–4, erect to divergent, retrorsely barbed awns 2–4 mm. 2n = 24, 72.

  • Provided by: [I].Flora of North America @ efloras.org
    • Source: [
    • 7
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    "Glabrous or minutely hairy annual 3–17 dm; lvs 4–20 cm including the 2–5 cm petiole, mostly 2–3 times pinnately dissected, the ultimate segments tending to be rounded; heads narrow, disciform, the disk only 4–6 mm wide at anthesis, the short, ochroleucous rays not surpassing the disk; outer invol bracts 7–10, linear, ± acute, not evidently expanded upwards, shorter than the inner; achenes linear, tetragonal, narrowed above, often sparsely hairy, 10–13 mm, or some of the outer shorter; pappus of (2)3 or 4 yellowish awns; 2n=24, 72. Moist to fairly dry, disturbed habitats; Mass. to Fla., w. to Neb., Calif., and Mex., e. Asia. July–Oct."

  • Provided by: [D].New York Botanical Garden
    • Source: [
    • 9
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    Morphology

    Ray-florets yellow, few or rarely absent.

  • Provided by: [J].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
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    Nearly glabrous or pubescent on the stems and leaves when young

  • Provided by: [J].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
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    An erect, sometimes bushy annual herb 1-4 ft. high

  • Provided by: [J].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    30–130 cm hoch, verzweigt, hellgrün, kahl. Blätter gefiedert, Teilblätter gestielt, gefiedert bis fiederspaltig. Blütenköpfe aufrecht, Durchmesser 4–6(–10) mm, meist mit kurzen, hellgelben, die Röhrenblüten nicht überragenden Zungenblüten. Äusse

  • Provided by: [E].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 10
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    Annual herb, up to 1.5 m high. Leaves bipinnate, leaflets lanceolate in outline, usually lobulate. Pappus awns (2-)3-4. Flowers yellow.

  • Provided by: [F].e-Flora of South Africa
    • Source: [
    • 11
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    Annual herb, up to 1.5 m high. Leaves opposite, rarely alternate towards apex; blade ovate in outline, up to 200 mm long, bipinnate; leaflets very narrowly ovate or linear, margins serrate to almost entire, usually pubescent in lower parts; petiole 10-60 mm long. Heads radiate, up to 10 mm in diameter, in lax, paniculate cymes, pedunculate. Involucral bracts biseriate, imbricate. Receptacle paleate. Flowers: ray florets small, neuter, yellowish; disc florets bisexual, yellow; Jan.-May. Fruit with cypsela black, linear-fusiform, tetragonal, glabrous or sparsely hispid towards apex. Pappus of (2)3 or 4 awns.

  • Provided by: [F].e-Flora of South Africa
    • Source: [
    • 12
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    Erect annual herb, 20-150(-250) cm high; stem tetragonal, glabrous or minutely setose-hispid especially in young plants, sometimes densely branched. Leaves opposite, rarely alternate towards apex, bipinnatisect, usually pubescent in lower parts, ovate in outline, up to 20 cm long, petiolate; segments membranous, ovate to deltoid or terminal one lanceolate, vein reticulation characteristic, ciliate; margin crenate-serrate, ciliate; petiole usually ebracteate, 1-6 cm long. Capitula erect, radiate, 4-7 x 4-6 mm at anthesis, up to 20 mm high in fruit (incl. achene aristae), in lax paniculate cymes; receptacle sparsely white-pubescent, globose, 3-4 mm in diameter; peduncle glabrous, rarely sparsely ciliate, striate-sulcate, up to 10 cm long. Outer phyllaries green, linear or lanceolate, 7-10, glabrous or ciliate at base, 3-striated, 3-5 x 0.5 mm at anthesis, slightly dilated towards apex, shorter than the inner phyllaries; apex acute. Inner phyllaries dark brown (after drying) with yellowish white scarious margins, ciliate at base, 7-8, linear, 3-6 x 1 mm at anthesis, margins ciliate near apex. Ray florets yellowish white, 3-5, neuter; ray lamina c. 5 x 1.5 mm; apex entire or 3-fid, with 5 orange striae, oblong; tube c. 1 mm long. Paleae membranous, pale brown, linear-lanceolate, c. 3-5 x 1 mm, up to 10 mm long in fruit, glabrous. Disc florets yellow, cylindric, not annularly thickened or constricted medially; corolla 5-lobed, c. 4 mm long; anthers brown, c. 1 mm long; style c. 3.5 mm long. Achenes black, linear-fusiform, tetragonal, glabrous or sparsely tuberculate-hispid towards apex, 7-18 x 1 mm; apex truncate with 4 (rarely 2 or 3) yellow, slightly divergent, retrorsely barbed aristae, 2-4 mm long.

  • Provided by: [F].e-Flora of South Africa
    • Source: [
    • 13
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    Herbe annuelle, dressée, glabre à subglabre, rarement pubescente à l'état jeune, ± ramifiée, de 30 cm à 1.2 m de haut; tiges et ramifications quadrangulaires. Feuilles opposées, pétiolées; pétiole mince, de 2-5 cm de long; limbe foliaire membraneux, de contour ovale, de 4-20 cm de long, 2-3-pennatiséqué, à segments ovales ou le terminal lancéolé, cunéés à la base, aigus au sommet, ciliés et crénelés-serrés sur le bord. Capitules hétérogames, radiés, campanulés, de 5-7 mm de long et 4-6 mm de large (devenant plus grands en fruits), pédonculés, solitaires ou groupés en corymbes lâches et oligocéphales; involucre 2-sérié, pubescent à la base; bractées involucrales externes 7-10, linéaires, de 3-5 mm de long, aiguës au sommet, ciliées ou pubescentes; bractées involucrales internes linéaires-lancéolées, deux fois plus longues que les externes, glabres. Fleurs périphériques femelles, ligulées; ligule jaune pâle, lancéolée à oblancéolée, entière ou irrégulièrement 2-3-dentée au sommet. Fleurs centrales hermaphrodites, tubuleuses, jaunes. Akènes linéaires, de 1.0-1.8 cm de long, quadrangulaires, noirs, atténués et sétuleux dans la partie supérieure, glabres dans la partie inférieure, 3-4-aristés; arêtes jaunes, de 2-4 mm de long, rétrorsement barbelées.

  • Provided by: [C].Flore d'Afrique Centrale
    • Source: [
    • 14
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    Ecology

    7–10. Ödland, Schuttplätze, Rebberge, kollin. Südliches TI, auch sonst gelegentlich adventiv.

  • Provided by: [E].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 10
    • ]. 

    Habitat

    Endroits rudéraux, recrûs forestiers.

  • Provided by: [C].Flore d'Afrique Centrale
    • Source: [
    • 14
    • ]. 

    Vredefort Dome Savanna?; Dry Grassland; Mesic Grassland. Weed of cultivation.

  • Provided by: [F].e-Flora of South Africa
    • Source: [
    • 12
    • ]. 

    Roadsides and margins of fields.

  • Provided by: [F].e-Flora of South Africa
    • Source: [
    • 13
    • ]. 

    Distribution

    Native to America.

  • Provided by: [F].e-Flora of South Africa
    • Source: [
    • 12
    • ]. 

    Erect annual herb, 20-150(-250) cm high; stem tetragonal, glabrous or minutely setose-hispid especially in young plants, sometimes densely branched. Leaves opposite, rarely alternate towards apex, bipinnatisect, usually pubescent in lower parts, ovate in outline, up to 20 cm long, petiolate; segments membranous, ovate to deltoid or terminal one lanceolate, vein reticulation characteristic, ciliate; margin crenate-serrate, ciliate; petiole usually ebracteate, 1-6 cm long. Capitula erect, radiate, 4-7 x 4-6 mm at anthesis, up to 20 mm high in fruit (incl. achene aristae), in lax paniculate cymes; receptacle sparsely white-pubescent, globose, 3-4 mm in diameter; peduncle glabrous, rarely sparsely ciliate, striate-sulcate, up to 10 cm long. Outer phyllaries green, linear or lanceolate, 7-10, glabrous or ciliate at base, 3-striated, 3-5 x 0.5 mm at anthesis, slightly dilated towards apex, shorter than the inner phyllaries; apex acute. Inner phyllaries dark brown (after drying) with yellowish white scarious margins, ciliate at base, 7-8, linear, 3-6 x 1 mm at anthesis, margins ciliate near apex. Ray florets yellowish white, 3-5, neuter; ray lamina c. 5 x 1.5 mm; apex entire or 3-fid, with 5 orange striae, oblong; tube c. 1 mm long. Paleae membranous, pale brown, linear-lanceolate, c. 3-5 x 1 mm, up to 10 mm long in fruit, glabrous. Disc florets yellow, cylindric, not annularly thickened or constricted medially; corolla 5-lobed, c. 4 mm long; anthers brown, c. 1 mm long; style c. 3.5 mm long. Achenes black, linear-fusiform, tetragonal, glabrous or sparsely tuberculate-hispid towards apex, 7-18 x 1 mm; apex truncate with 4 (rarely 2 or 3) yellow, slightly divergent, retrorsely barbed aristae, 2-4 mm long.

  • Provided by: [F].e-Flora of South Africa
    • Source: [
    • 13
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    Guinée, Sierra Leone, Togo, Ghana, Nigeria, Soudan, Zaïre, Madagascar, Asie, Australie, Amérique, Europe.

  • Provided by: [C].Flore d'Afrique Centrale
    • Source: [
    • 14
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    Distribution Map

     
    • Introduced distribution
    Introduced into
    • Southern America Brazil Amapí
    • Amazonas
    • Parí
    • Roraima
    • Tocantins
    • Alagoas
    • Bahia
    • Ceará
    • Maranh
    • Paraába
    • Pernambuco
    • Piauá
    • Rio Grande do Norte
    • Rio Grande do Sul
    • Santa Catarina
    • Minas Gerais
    • Goiás
    • Mato Grosso

    Other Local Names

    NameLanguageCountry
    Forbicina bipennataItalianCH
    Fiederblättriger ZweizahnGermanCH
    Bident bipennéFrenchCH
    PicãoPortuguese

      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).
    MBG Floras Images
    http://www.tropicos.org/ImageSearch.aspx
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • B Missouri Botanical Garden
    Flore d'Afrique Centrale
    https://www.floredafriquecentrale.be
    • C http://creativecommons.org/licenses/by/4.0/ Attribution 4.0 International (CC BY 4.0)
    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.
    • D Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Flora Helvetica – Illustrierte Flora der Schweiz
    http://www.flora-helvetica.ch
    Flora Helvetica – Illustrierte Flora der Schweiz, Konrad Lauber, Gerhart Wagner, Andreas Gygax. Haupt Verlag 2018.
    • E All Rights Reserved
    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
    • F All Rights Reserved
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • G Missouri Botanical Garden
    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
    • H Group Brazil Flora, REFLORA Program
    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • I Flora of North America Association
    Plants Of the World Online Portal - FWTA
    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
    • J The Trustees of the Royal Botanic Gardens, Kew
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • K CC0 1.0 Universal (CC0 1.0).