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  1. Family: Poaceae Barnhart
    1. Genus: Urochloa P.Beauv.
      1. Urochloa paucispicata (Morong) Morrone & Zuloaga

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

    [GB]
    Habit
    Annual. Culms geniculately ascending, or decumbent; 40-70 cm long; rooting from lower nodes. Ligule a ciliate membrane. Leaf-blade base broadly rounded. Leaf-blades lanceolate; 4-14 cm long; 10-25 mm wide. Leaf-blade margins cartilaginous; crenate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 3-6; borne along a central axis; unilateral; 2-3.5 cm long. Central inflorescence axis 7-12 cm long. Rhachis wingless; angular; pubescent on surface. Spikelet packing irregular. Spikelets in pairs. Fertile spikelets sessile and pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; cuspidate; 6-8 mm long; falling entire. Spikelet callus oblong; incorporating lowest rhachilla internode with adnate lower glume; 1 mm long.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; cuspidate; 6-8 mm long; falling entire. Spikelet callus oblong; incorporating lowest rhachilla internode with adnate lower glume; 1 mm long.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; clasping; 0.75 length of spikelet; membranous; without keels; 5 -veined. Lower glume surface pubescent. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 7 -veined. Upper glume surface pubescent. Upper glume apex acute.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; pubescent; cuspidate. Fertile lemma elliptic; 5-6 mm long; indurate; without keel. Lemma surface granulose. Lemma margins involute. Lemma apex rostrate; laterally pinched. Palea involute; indurate. Palea surface granular.
    Distribution
    South America: western South America and southern South America.
    Reference
    Paniceae. WDC.

    Images

    Distribution

    Native to:

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

    Introduced into:

    Brazil Northeast

    Synonyms

    Other Data

    Urochloa paucispicata (Morong) Morrone & Zuloaga appears in other Kew resources:

    Bibliography

    First published in Darwiniana 31: 95 (1992)

    Not accepted by

    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Brachiaria paucispicata.]

    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