1. Family: Poaceae Barnhart
    1. Tragus Haller

      1. This genus is accepted, and its native range is Old World to SW. Pacific, NW. Argentina.

    [FTEA]

    Gramineae, W. D. Clayton, S. M. Phillips And S. A. Renvoize. Flora of Tropical East Africa. 1974

    Habit
    Annuals or perennials
    Leaves
    Leaf-blades flat, pectinate-ciliate on the margins; ligule a line of hairs
    Inflorescences
    Inflorescence stiff, dense, cylindrical, spike-like, the spikelets in subsessile (rarely long peduncled) deciduous clusters; each cluster composed of 2–5 spikelets, these paired, or sessile upon a very short rhachis
    Spikelets
    Spikelets lanceolate to ovate, awnless, those of a cluster all alike or the upper ± reduced; glumes dissimilar, the lower (adaxial) a tiny hyaline scale or suppressed; upper glume as long as the spikelet, its nerves formed into prominent ribs bearing a row of stout prickles, thin between the ribs; lemma almost as long as the glume, ovate, membranous, 3-nerved; stamens 3
    Fruits
    Caryopsis ellipsoid to oblong, slightly dorsally compressed.
    [FZ]

    Gramineae, T. Cope. Flora Zambesiaca 10:2. 1999

    Inflorescences
    Inflorescence a cylindrical false raceme; racemelets shortly or rarely long pedunculate, deciduous, comprising 2–5 spikelets, these paired or sessile on a very short rhachis, the uppermost reduced.
    Spikelets
    Spikelets 1-flowered, awnless; glumes very unequal, the inferior small or suppressed, nerveless, the superior as long as the spikelet, its nerves formed into prominent ribs, these bearing a row of stout prickles; lemma shorter than the spikelet, membranous, 3-nerved.
    Fruits
    Caryopsis ellipsoid to oblong, slightly dorsally compressed.

    Images

    Distribution

    Native to:

    Afghanistan, Albania, Algeria, Angola, Argentina Northwest, Austria, Baleares, Belgium, Botswana, Bulgaria, Burkina, Burundi, Canary Is., Cape Provinces, Cape Verde, Central African Repu, Chad, China North-Central, China South-Central, China Southeast, Congo, Corse, Czechoslovakia, Djibouti, Egypt, Eritrea, Ethiopia, France, Free State, Greece, Gulf States, Hungary, India, Inner Mongolia, Iran, Italy, Kazakhstan, Kenya, Krym, KwaZulu-Natal, Lesotho, Libya, Madagascar, Malawi, Malaya, Mali, Mauritania, Mauritius, Mongolia, Morocco, Mozambique, Myanmar, Namibia, New Caledonia, New South Wales, Niger, North Caucasus, Northern Provinces, Northern Territory, Oman, Pakistan, Palestine, Qinghai, Queensland, Romania, Rwanda, Réunion, Sardegna, Saudi Arabia, Senegal, Sicilia, Socotra, Somalia, South Australia, South European Russi, Spain, Sri Lanka, Sudan, Swaziland, Switzerland, Tanzania, Thailand, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Uganda, Victoria, Vietnam, West Himalaya, Western Australia, Western Sahara, Yemen, Yugoslavia, Zambia, Zimbabwe

    Introduced into:

    Argentina Northeast, Arizona, Aruba, Bangladesh, Bolivia, Brazil Northeast, Brazil Southeast, Colombia, Cuba, Dominican Republic, Ecuador, Germany, Haiti, Hawaii, Honduras, Jamaica, Jawa, Leeward Is., Maine, Maryland, Masachusettes, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southwest, Netherlands Antilles, New Jersey, New Mexico, New York, North Carolina, Paraguay, Pennsylvania, Peru, Puerto Rico, South Carolina, St.Helena, Texas, Trinidad-Tobago, Turks-Caicos Is., Venezuela, Venezuelan Antilles, Virginia, Windward Is.

    Tragus Haller appears in other Kew resources:

    First published in Hist. Stirp. Helv. 2: 203 (1768)

    Accepted by

    • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora of West Tropical Africa
    • Schweickerdt in Ann. Natal Mus. 10: 15 (1941), nom. cons.
    • Hist. Stirp. Helv. 2: 203 (1768)
    Flora Zambesiaca
    • Hist. Stirp. Helv. 2: 203 (1768).
    Flora of Tropical East Africa
    • Schweick. in Ann. Natal Mus. 10: 15 (1941), nom. conserv.
    • Hist. Stirp. Helv. 2: 203 (1768)

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    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

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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