1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida filifolia (Arechav.) Herter

        This species is accepted, and its native range is SE. & S. Brazil to Uruguay.

    [GB]
    Habit
    Perennial. Culms 40-80 cm long. Lateral branches lacking. Leaf-sheaths striately veined; smooth. Leaf-sheath oral hairs bearded. Ligule a fringe of hairs. Leaf-blades convolute; 25-30 cm long; 0.5-1 mm wide.
    Inflorescences
    Inflorescence a panicle; comprising 7-12 fertile spikelets. Panicle open; dense; 20-40 cm long; bearing few spikelets. Primary panicle branches appressed, or ascending; 1-2 -nate; bearing 1-2 fertile spikelets on each lower branch.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets subterete; 30-50 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets subterete; 30-50 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated.
    Glume
    Glumes persistent. Lower glume lanceolate; 18-20 mm long; 0.4-0.6 length of upper glume; 3 -veined. Lower glume apex acuminate. Upper glume lanceolate; 30-50 mm long; 1 -veined. Upper glume apex acuminate.
    Florets
    Fertile lemma subterete; 16-20 mm long; without keel; 3 -veined. Lemma surface asperulous; rough above. Lemma margins convolute. Lemma apex with outer margin prolonged as a hyaline appendage; with this appendage 0.2-0.5 mm long; awned; 3 -awned. Principal lemma awn straight; with 100-150 mm long limb. Lateral lemma awns ascending; 100-150 mm long; subequal to principal.
    Distribution
    South America: Brazil and southern South America.
    Reference
    Aristideae. Gr Uruguay 2000.

    Images

    Distribution

    Native to:

    Brazil South, Brazil Southeast, Uruguay

    Aristida filifolia (Arechav.) Herter appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Longhi-Wagner, H.M. [8922], Brazil K001101348

    First published in Revista Sudamer. Bot. 9: 99 (1953)

    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