1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida minutiflora Caro

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

    [GB]
    Habit
    Perennial; caespitose. Basal innovations intravaginal; flabellate. Culms 20-30 cm long; 1-2 -noded. Culm-internodes scaberulous. Culm-nodes glabrous. Leaf-sheaths smooth, or scaberulous. Ligule a fringe of hairs. Leaf-blades filiform; convolute; 2.5-7 cm long; 0.5 mm wide. Leaf-blade venation comprising 7-9 vascular bundles. Leaf-blade surface scabrous; rough on both sides. Leaf-blade margins scabrous.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; interrupted; 6-13 cm long. Panicle branches scaberulous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels angular; scaberulous; tip widened.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 4.5-7 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 0.5 mm long; pubescent; obtuse.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 4.5-7 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 0.5 mm long; pubescent; obtuse.
    Glume
    Glumes similar; shorter than spikelet, or reaching apex of florets; thinner than fertile lemma. Lower glume linear; 3-5 mm long; 0.66-0.8 length of upper glume; membranous; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex acute; mucronate. Upper glume linear; 4.5-6 mm long; membranous; 1 -veined. Upper glume primary vein smooth, or scaberulous. Upper glume lateral veins absent. Upper glume apex dentate; 2 -fid; mucronate.
    Florets
    Fertile lemma linear; laterally compressed; 4.5-7 mm long; coriaceous; without keel; 3 -veined. Lemma surface scaberulous. Lemma margins convolute; covering most of palea. Lemma apex awned; 3 -awned. Principal lemma awn straight; with 7-15 mm long limb. Lateral lemma awns 6-13 mm long; shorter than principal. Palea 0.75-1 mm long.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp; linear; without sulcus; 4-6 mm long; light brown. Hilum curved.
    Distribution
    South America: southern South America.
    Reference
    Aristideae. Caro 1995.

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest

    Aristida minutiflora Caro appears in other Kew resources:

    First published in Kurtziana 1: 151 (1961)

    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