1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Flaveria Juss.
      1. Flaveria trinervia (Spreng.) C.Mohr

        This species is accepted, and its native range is Tropical & Subtropical America.

    [FTEA]

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

    Habit
    Annual herb 10–75(–200) cm high, erect or procumbent, much branched, the branches opposite and decussate, green or red to pinkish, pilose or more often glabrous.
    Leaves
    Leaves green or yellowgreen, narrowly elliptic to oblanceolate, 1–7.5 cm long, 0.3–2 cm wide, base narrowed into a pseudopetiole but the very base widening and connate with the opposite leaf, margins serrulate to serrate, 3-veined from base, glabrous or puberulous.
    Capitulum
    Capitula many in congested axillary and terminal cymes or glomerules; individual capitula oblong, heterogamous, some with a single female floret, some with 1 female and 1 bisexual floret, some with 2–4 bisexual florets only; involucre 4–5 mm long; phyllaries few, 2-seriate, 4–5 mm long.
    Florets
    Female florets with ray yellow, suborbicular, 0.5–1 mm long, the tube green and ± 1 mm long; disc florets yellow with green base, 2–2.5 mm long, with pilose base.
    Fruits
    Achenes black, narrowly obovoid, 1.7–2.6 mm long, glabrous; pappus absent.
    Figures
    Fig. 149 (page 724).
    Habitat
    Waste ground, swamp, lake margins, a weed of cultivation; 0–1150 m
    Distribution
    K3 K4 K5 K6 K7 T3 T6 Z pantropical weed, originally from the Americas

    Images

    Distribution

    Native to:

    Arizona, Bahamas, Belize, Brazil Northeast, Brazil West-Central, California, Cayman Is., Cuba, Ecuador, Florida, Jamaica, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, New Mexico, Peru, Puerto Rico, Texas, Turks-Caicos Is., Venezuela, Virginia, Windward Is.

    Introduced into:

    Cape Verde, Cyprus, Djibouti, Eritrea, Ethiopia, Gulf States, Hawaii, India, Iraq, Masachusettes, Mauritius, Missouri, New South Wales, Northern Territory, Oman, Queensland, Saudi Arabia, South Australia, Sudan, Western Australia, Yemen, Zambia, Zimbabwe

    Flaveria trinervia (Spreng.) C.Mohr appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 1, 1996 Hind, D.J.N. [PCD3373], Bahia K000053736
    Jul 1, 1996 Hind, D.J.N. [PCD3373], Bahia K000053737
    Hind, D.J.N. [PCD 3373], Brazil 63209.000
    Riedel [938], Brazil K001103810
    Robert, A. [786], Brazil K001103811
    Jan 1, 1977 Mitchell, T.L. [100], Australia Flaveria australasica K001065499 lectotype
    Keighery, G.J. [970], Western Australia Flaveria australasica subsp. gilgai K001065497 isotype
    Keighery, G.J. [970], Western Australia Flaveria australasica subsp. gilgai K001065498 isotype

    First published in Contr. U.S. Natl. Herb. 6: 810 (1901)

    Accepted by

    • Ghazanfar, S.A., Edmondson, J.R. & Hind, D.J.N. (eds.) (2019). Flora of Iraq 6: 1-458. Ministry of Agriculture & Agrarian Reform, Baghdad.
    • Pruski, J.F. (ed.) (2018). Flora Mesoamericana 5(2): 1-608. Universidad Nacional Autónoma de México, México, D.F.
    • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

    Literature

    Kew Backbone Distributions
    • Ghazanfar, S.A., Edmondson, J.R. & Hind, D.J.N. (eds.) (2019). Flora of Iraq 6: 1-458. Ministry of Agriculture & Agrarian Reform, Baghdad.
    Flora of Tropical East Africa
    • Agnew, A.D.Q. & Agnew, S., Upland Kenya Wild Flowers, ed. 2: 218 (1994).
    • D.J.N. Hind in Fl. Masc. 109: 220, t. 77 (1993).
    • G.V. Pope in Kirkia 10: 111, t. 3a (1975).
    • F. W. Andr., The Flowering Plants of the Sudan 3: 29 (1956).
    • C.Mohr in Contrib. U.S. Nat. Herb. 6: 810 (1901).

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East 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/