1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus monandrus Roseng., B.R.Arrill. & Izag.

        This species is accepted, and its native range is Bolivia to Brazil and N. Argentina.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 10-36 cm long; 1-2 -noded. Ligule a fringe of hairs. Leaf-blades 3-6 cm long; 1-3 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic; 5-15 cm long; 1-6 cm wide. Primary panicle branches whorled at most nodes. Panicle branches capillary; glandular (in axils). Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 0.8-1 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 0.8-1 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; similar; shorter than spikelet. Lower glume ovate; 0.3 mm long; 0.33 length of upper glume; membranous; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex truncate, or obtuse. Upper glume ovate; 0.5-0.7 mm long; 0.5-0.7 length of adjacent fertile lemma; membranous; without keels; 0 -veined. Upper glume primary vein absent. Upper glume lateral veins absent. Upper glume apex truncate, or obtuse.
    Florets
    Fertile lemma oblong; 0.8-1 mm long; membranous; without keel; 1 -veined. Lemma apex obtuse. Palea 2 -veined. Palea keels approximate.
    Flowers
    Anthers 1; 0.5 mm long.
    Fruits
    Caryopsis with free soft pericarp; obovoid; 0.6-0.8 mm long.
    Distribution
    South America: western South America, Brazil, and southern South America.
    Reference
    Eragrostideae. WDC.

    Images

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Bolivia, Brazil Northeast, Brazil South, Brazil West-Central, Paraguay, Uruguay

    Sporobolus monandrus Roseng., B.R.Arrill. & Izag. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Rosengurtt [B - 6200], Uruguay K000308867 isotype

    First published in Bol. Fac. Agron. Univ. Montevideo 103: 12 (1968)

    Accepted by

    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.

    Sources

    GrassBase - The Online World Grass Flora
    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