1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Erigeron L.
      1. Erigeron bonariensis L.

        This species is accepted, and its native range is Mexico to Tropical America. It is used to treat unspecified medicinal disorders.

    [FWTA]

    Compositae, C. D. Adams. Flora of West Tropical Africa 2. 1963

    Habit
    An erect herb up to 18 in. high
    Ecology
    In waste ground.
    [UPB]

    The Useful Plants of Boyacá project

    Habit
    Herb.
    Conservation
    Least concern.
    Distribution
    Introduced in Colombia.
    Ecology
    Alt. 100 - 3900 m.
    [FTEA]

    Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

    Habit
    Annual herb 0.4–1.5(–2) m high; stems erect, simple or branched, cylindrical, striate, densely pubescent to scabrid.
    Leaves
    Leaves pale grey-green, sessile, linear to narrowly lanceolate or rarely pinnatilobed, 2.5–15 cm long, 0.2–3 cm wide, base cuneate, margins entire or dentate, apex acute, scabrid-pubescent on both surfaces and particularly on the veins and margins, the upper leaves or inflorescence bracts also glandular.
    Capitulum
    Capitula 4–8 mm long, grouped in terminal lax leafy panicles of 10 or more cymes of several laxly arranged capitula; stalks of individual capitula 0.2–3 cm long, scabrid-pubescent; phyllaries pale green, occasionally with red or purple apex, 2–3-seriate, ± 40, 1.5–5.6 mm long, 0.2–0.5 mm wide, with or without hyaline margins, pubescent; receptacle flat or slightly convex, not or slightly toothed.
    Florets
    Marginal florets whitish or cream with pink to purple tips, 60 to several hundred, tube 2.5–3.3 mm long and glabrous or slightly pilose, ray erect and 0.4–0.6 mm long and 2–3-toothed at apex, style 3.4–4.2 mm long; central florets white to yellow, 4–17, tube 2.8–3.5 mm long, lobes 0.3–0.7 mm long; anthers 0.7–1.1 mm long with narrowly triangular to filiform appendage; style 3.3–4.4 mm long with short, slightly swollen, papillose branches.
    Fruits
    Achenes oblong-cylindrical, flattened or not, 1–2 mm long, 2-ribbed, pilose to pubescent; pappus of many white to pale yellow setae 2.5–5 mm long.
    Figures
    Fig. 105 (page 507).
    Habitat
    Grasslands, roadsides or pathsides, in cultivated areas or fallow land; on loam, sand or lava; 300–2850 m
    Distribution
    K1 K2 K3 K4 K5 K6 K7 T1 T2 T3 T4 T5 T6 T7 pantropical weed, originally from S America, and widespread in tropical AfricaArabia
    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Adventicia en Colombia; Alt. 100 - 3900 m.; Andes, Llanura del Caribe, Orinoquia, Valle del Cauca, Valle del Magdalena.
    Habit
    Hierba
    Conservation
    Preocupación Menor
    [UPB]
    Unspecified Medicinal Disorders
    Medicinal (Instituto Humboldt 2014).

    Images

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Argentina South, Bahamas, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Chile Central, Chile North, Chile South, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, French Guiana, Galápagos, Guatemala, Guyana, Haiti, Jamaica, Juan Fernández Is., Leeward Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southwest, Paraguay, Peru, Puerto Rico, Suriname, Trinidad-Tobago, Uruguay, Venezuela, Windward Is.

    Introduced into:

    Afghanistan, Andaman Is., Azores, Canary Is., Cape Verde, Caroline Is., Christmas I., Cocos (Keeling) Is., Cook Is., Cyprus, East Aegean Is., Egypt, Ethiopia, Fiji, Free State, Gilbert Is., Gulf States, Hawaii, India, Iran, Iraq, Kazan-retto, Kenya, Lebanon-Syria, Line Is., Madeira, Malaya, Marianas, Marshall Is., Mauritius, Myanmar, New Caledonia, New Zealand North, New Zealand South, Nicobar Is., Norfolk Is., Ogasawara-shoto, Oman, Palestine, Rodrigues, Réunion, Saudi Arabia, Sinai, Society Is., South China Sea, Sri Lanka, Tadzhikistan, Tanzania, Tonga, Tristan da Cunha, Tubuai Is., Turkey, Turkey-in-Europe, Wake I., Yemen

    Common Names

    English
    Flax-leaf fleabane, Horseweed

    Erigeron bonariensis L. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Spruce, R. [s.n.], Brazil K001058992
    Nov 1, 2012 Gardner [3840], Goiás Conyza bonariensis K000958216
    Nov 1, 2012 Gardner [3840], Goiás Conyza bonariensis K000958218 Unknown type material
    Nov 1, 2012 Gardner [776], Rio de Janeiro Conyza bonariensis K000958219
    Nov 1, 2012 Gardner [495], Rio de Janeiro Conyza bonariensis K000958221
    Nov 1, 2012 Gardner [495], Rio de Janeiro Conyza bonariensis K000958222
    Nov 1, 2012 illegible [s.n.] Conyza bonariensis K000958220
    Nov 1, 2012 Traill, J.W.H. [470], Brazil Conyza bonariensis K000958217
    Nov 1, 2012 s.coll. [682], Brazil Conyza bonariensis K000958223
    Aug 1, 2012 Riedel [s.n.], Brazil Conyza bonariensis K000955540
    Jul 1, 2012 Burchell, W.J. [965], Brazil Conyza bonariensis K000955539
    Jul 1, 2012 Burchell, W.J. [1898], Brazil Conyza bonariensis K000955542
    Jul 1, 2012 Burchell, W.J. [4494], Brazil Conyza bonariensis K000955544
    Jul 1, 2012 s.coll. [391], Brazil Conyza bonariensis K000955541
    Jul 1, 2012 Burchell [1339], Brazil Conyza bonariensis K000955543
    Jul 1, 2005 Darbyshire, I. [318], Cameroon Conyza bonariensis K000199828
    Jan 1, 2004 Leeuwenberg, A.J.M. [8984], Cameroon Conyza bonariensis K000051999
    Jan 1, 2004 Etuge, M. [1594], Cameroon Conyza bonariensis K000108689
    Jun 1, 2003 Hepper, F.N. [2188], Cameroon Conyza bonariensis K000051002
    Jun 1, 2003 Boughey, A.S. [10396], Cameroon Conyza bonariensis K000051000
    Jun 1, 2003 Boughey, A.S. [11579], Cameroon Conyza bonariensis K000051001
    Jun 1, 2003 Cheek, M. [9026], Cameroon Conyza bonariensis K000108635
    Jun 1, 2003 Daramola, B. O. [FHI 41580], Cameroon Conyza bonariensis K000051004
    Jan 1, 2003 Boughey, A.S. [0s.n.2], Cameroon Conyza bonariensis K000051003
    Apr 1, 2000 Cable, S. [3042], Cameroon Conyza bonariensis K000746897
    Apr 1, 2000 Etuge, M. [2202], Cameroon Conyza bonariensis K000746896
    Apr 1, 2000 Pollard, B.J. [17], Cameroon Conyza bonariensis K000746898
    Apr 1, 2000 Onana, J.-M. [556 B], Cameroon Conyza bonariensis K000746936
    Aug 1, 1963 s.coll. [s.n.] Conyza bonariensis K001107361
    Preston, T.A. [s.n.], Brazil Conyza bonariensis K001107363
    Preston, T.A. [s.n.], Brazil Conyza bonariensis K001107366
    Dusén, P. [9818], Brazil Conyza bonariensis K001107367
    Harris, T. [111], Mozambique Conyza bonariensis K000545094
    Sellow [3607], Brazil Conyza bonariensis K001107368
    Strudwick, J.J. [3060], Brazil Conyza bonariensis K001107365
    Cowell, E.B. [M 24], Cameroon Conyza bonariensis K000050992
    s.coll. [s.n.], Brazil Conyza bonariensis K001107364
    s.coll. [392], Brazil Conyza bonariensis K001107369
    Tweedie [s.n.], Brazil Conyza bonariensis K001107362

    First published in Sp. Pl.: 863 (1753)

    Accepted by

    • Nobis, M. & al. (2018). Contribution to the flora of Asian and European countries: new national and regional vascular plant records, 7 Acta Botanica Gallica: Botany Letters 165: 200-222.
    • Balkrishna, A. (2018). Flora of Morni Hills (Research & Possibilities): 1-581. Divya Yoga Mandir Trust.
    • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.
    • Retief, E. & Meyer, N.L. (2017). Plants of the Free State inventory and identification guide Strelitzia 38: 1-1236. National Botanical Institute, Pretoria.
    • Liogier, A.H. (1996). Flora de la Española 8: 1-588. Instituto Tecnológico de Santo Domingo.

    Literature

    Flora of West Tropical Africa
    • Burtt in Kew Bull. 3: 371.
    • Sp. Pl. 863 (1753)
    Kew Backbone Distributions
    • Nobis, M. & al. (2018). Contribution to the flora of Asian and European countries: new national and regional vascular plant records, 7 Acta Botanica Gallica: Botany Letters 165: 200-222.
    • Pruski, J.F. (ed.) (2018). Flora Mesoamericana 5(2): 1-608. Universidad Nacional Autónoma de México, México, D.F.
    • Retief, E. & Meyer, N.L. (2017). Plants of the Free State inventory and identification guide Strelitzia 38: 1-1236. National Botanical Institute, Pretoria.
    • Turner, I.M. (1995). A catalogue of the Vascular Plants of Malaya Gardens' Bulletin Singapore 47(1): 1-346.
    • Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names Scripta Botanica Belgica 2: 1-153.

    Sources

    Catálogo de Plantas y Líquenes de Colombia
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of West Tropical Africa
    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Science Photographs
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Plants and People Africa
    Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/

    Useful Plants of Boyacá Project
    ColPlantA database
    http://creativecommons.org/licenses/by-nc-sa/3.0