1. Family: Poaceae Barnhart
    1. Genus: Neobouteloua Gould
      1. Neobouteloua pauciracemosa M.G.López & Biurrun

        This species is accepted, and its native range is NW. Argentina.

    [GB]
    Habit
    Perennial; mat forming. Basal innovations intravaginal. Culms erect; 15-21 cm long. Culm-internodes distally pilose. Culm-nodes glabrous. Leaves distichous. Leaf-sheaths longer than adjacent culm internode. Ligule a ciliate membrane; 0.25-0.5 mm long. Leaf-blades 0.7-1.5 cm long; 1-1.5 mm wide; coriaceous; stiff. Leaf-blade surface pubescent; hairy adaxially. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Racemes (2-)3-4(-9); borne along a central axis; unilateral. Rhachis semiterete. Spikelets appressed; solitary. Fertile spikelets pedicelled. Pedicels 0.25-0.75 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 5-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.25 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 5-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.25 mm long.
    Glume
    Glumes persistent; similar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 3 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute; mucronate. Upper glume ovate; 3 mm long; 1.5 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 1.75-2.5 mm long; membranous; without keel; 3 -veined. Lemma surface pilose. Lemma margins ciliate. Lemma apex dentate; 3 -fid; awned; 3 -awned. Principal lemma awn 2-3 mm long overall. Lateral lemma awns arising on apex of lobes; 1.25-2 mm long; shorter than principal. Palea 2.5-3.5 mm long. Rhachilla extension 0.75 mm long. Apical sterile florets 4 in number; barren; in a clump; ovate; 1 mm long. Apical sterile lemmas lobed; 3 -fid; awned; 3 -awned.
    Flowers
    Lodicules 2; 0.23 mm long; truncate. Anthers 3; 0.3-0.4 mm long.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; trigonous; 1.7-2 mm long. Embryo 0.5-0.75 length of caryopsis. Hilum elliptic.
    Distribution
    South America: southern South America.
    Reference
    Cynodonteae. Lopez 2002.

    Distribution

    Native to:

    Argentina Northwest

    Neobouteloua pauciracemosa M.G.López & Biurrun appears in other Kew resources:

    First published in Hickenia 2: 317 (1999)

    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.

    Literature

    Kew Backbone Distributions
    • 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.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/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