1. Family: Asteraceae Bercht. & J.Presl
    1. Acanthospermum Schrank

      1. This genus is accepted, and is native to Southern America..

    [FTEA]

    Compositae, H.J. Beentje. Flora of Tropical East Africa. 2002

    Habit
    Annual or perennial herbs
    Leaves
    Leaves opposite
    Capitulum
    Capitula solitary, axillary or in branch forks, sessile or shortly stalked, heterogamous, radiate, enlarging in fruit; involucre of two series, the outer herbaceous, the inner closely enveloping the outer florets; receptacle paleate
    Florets
    Inner florets bisexual but functionally male, campanulate or infundibuliform; style branches connate, club-shaped; anthers with truncate bases and ovate apical appendix Outer florets female, radiate with small ray; style branches strongly divergent, linear and obtuse
    Fruits
    Achenes of the female florets covered by the indurate and echinate phyllaries, the achene itself smooth; achenes in disc florets abortive; pappus absent.

    Images

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Bahamas, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, French Guiana, Galápagos, Guatemala, Guyana, Haiti, Honduras, Jamaica, Leeward Is., Netherlands Antilles, Nicaragua, Panamá, Paraguay, Peru, Puerto Rico, Suriname, Trinidad-Tobago, Uruguay, Venezuela, Venezuelan Antilles, Windward Is.

    Introduced into:

    Alabama, Angola, Arkansas, Assam, Belgium, Benin, Botswana, Burkina, Cameroon, Cape Provinces, Cape Verde, Central African Repu, Chad, China South-Central, China Southeast, Congo, East Himalaya, Eritrea, Ethiopia, Florida, Free State, Gabon, Georgia, Guinea-Bissau, Gulf of Guinea Is., Hawaii, India, Ivory Coast, KwaZulu-Natal, Laccadive Is., Lesotho, Liberia, Louisiana, Madagascar, Malaya, Maldives, Mali, Masachusettes, Mauritania, Mauritius, Mississippi, Mozambique, Namibia, Nepal, New Guinea, New Jersey, New South Wales, New York, North Carolina, Northern Provinces, Northern Territory, Oman, Ontario, Oregon, Pennsylvania, Philippines, Primorye, Queensland, Rodrigues, Réunion, Socotra, South Carolina, Sri Lanka, Sudan, Swaziland, Tennessee, Texas, Togo, Virginia, West Himalaya, Western Australia, Zambia, Zimbabwe

    Acanthospermum Schrank appears in other Kew resources:

    First published in Pl. Rar. Hort. Monac. t. 53 (1819)

    Accepted by

    • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

    Literature

    Flora of West Tropical Africa
    • —Benth. & Hook. f. Gen. Pl. 2: 349.
    Flora of Tropical East Africa
    • D.J.N. Hind in Fl. Masc. 109: 170 (1993)
    • Pl. Rar. Hort. Monac.: t. 53 (1819)

    Sources

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

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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