1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida murina Cav.

        This species is accepted, and its native range is S. Brazil to NE. Argentina.

    [GB]
    Habit
    Perennial. Culms 25-50(-76) cm long. Lateral branches lacking. Leaf-sheath oral hairs lacking, or bearded (deciduous). Ligule a fringe of hairs; 0.3 mm long. Collar glabrous. Leaf-blades straight, or curved; conduplicate; 10-25(-30) cm long; 1.5-3 mm wide. Leaf-blade surface scabrous; rough adaxially; glabrous. Leaf-blade apex acute; antrorsely scabrous.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; 9-15(-18) cm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets subterete; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; straight; 0.8-1 mm long; pilose; acute (or subacute).
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets subterete; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; straight; 0.8-1 mm long; pilose; acute (or subacute).
    Glume
    Glumes persistent; dissimilar (lower shorter than upper). Lower glume lanceolate; 1-18 mm long; 1(-3) -veined. Lower glume primary vein scabrous. Lower glume surface asperulous; rough generally. Lower glume apex dentate (sometimes); 2 -fid (sometimes); acute, or acuminate; muticous, or awned (shortly). Upper glume lanceolate; 20-35 mm long; 1 -veined. Upper glume primary vein scaberulous. Upper glume surface smooth. Upper glume apex entire; acute, or acuminate.
    Florets
    Fertile lemma laterally compressed (slightly); 13-15(-17) mm long; keeled; lightly keeled; keeled above; 3 -veined. Lemma midvein scaberulous. Lemma surface smooth; without grooves. Lemma margins convolute. Lemma apex awned; 3 -awned. Principal lemma awn straight; ascending; simple at base; with 55-105 mm long limb; without a column. Lateral lemma awns ascending; 55-105 mm long; subequal to principal.
    Distribution
    South America: Brazil and southern South America.
    Reference
    Aristideae. LO-W 1993.
    Diagnostic
    Lemma apex sometimes with an hyaline appendage 0.8-1mm.

    Images

    Distribution

    Native to:

    Argentina Northeast, Brazil South, Uruguay

    Aristida murina Cav. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1993 Grisebach [s.n.], Argentina K001054469
    Jan 1, 1993 Commerson [s.n.], Uruguay K001054473
    Jan 1, 1993 Sellow [s.n.], Brazil K001054468
    Jan 1, 1993 Sellow [s.n.], Brazil K001054471
    Jan 1, 1993 Sellow [s.n.], Brazil K001054609
    Jan 1, 1993 Glaziou, A. [20094], Brazil K001054472
    Sello [339], Brazil K001054470
    Sellow [s.n.], Brazil K001054608

    First published in Icon. 5: 44 (1799)

    Accepted by

    • Lezama, F. & Bonifacino, J.M. (2012). Sinopsis de Aristida (Poaceae) para Uruguay Boletín de la Sociedad Argentina de Botánica 47: 135-143.
    • 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
    • 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.

    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