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

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

    [GB]
    Habit
    Perennial. Culms 40-80 cm long. Lateral branches lacking. Leaf-sheath oral hairs bearded. Ligule a fringe of hairs; 0.2 mm long. Collar glabrous. Leaf-blades straight; convolute; 25-30 cm long; 0.5-1 mm wide. Leaf-blade surface scabrous; rough on both sides; glabrous. Leaf-blade apex acute; antrorsely scabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open (patent); 20-40 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; 1 mm long; pilose; acute.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets subterete; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; straight; 1 mm long; pilose; acute.
    Glume
    Glumes persistent; dissimilar (lower shorter than upper). Lower glume lanceolate; 20-35 mm long; 3 -veined. Lower glume primary vein scabrous. Lower glume surface asperulous; rough generally. Lower glume apex acuminate. Upper glume lanceolate; 35-50 mm long; 1 -veined. Upper glume surface smooth. Upper glume apex entire; acuminate; awned.
    Florets
    Fertile lemma subterete; (11-)14-16 mm long; without keel; rounded except near apex; 3 -veined. Lemma surface scabrous, or smooth (less frequent); rough above; without grooves. Lemma margins convolute. Lemma apex with outer margin prolonged as a hyaline appendage; with this appendage 1-1.5 mm long; awned; 3 -awned. Principal lemma awn straight; ascending; simple at base; with (125-)150-230 mm long limb; without a column. Lateral lemma awns ascending; (125-)150-230 mm long; subequal to principal.
    Distribution
    South America: Brazil and southern South America.
    Reference
    Aristideae. LO-W 1993.
    Diagnostic
    Culms grouped in fascicles.

    Images

    Distribution

    Native to:

    Argentina Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Paraguay, Uruguay

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

    Date Reference Identified As Barcode Type Status
    Jan 1, 1993 Glaziou, A.F.M. [16545] K001101400
    Jan 1, 1993 Glaziou, A.F.M. [15639], Brazil K001101402
    Clayton, W.D. [4231], Brazil K001101417
    Clayton, W.D. [4329], Brazil K001101422
    Clayton, W.D. [4113], Brazil K001101426
    Hatschbach, G. [15245], Brazil K001101423
    Lindeman, J.C. [3690], Brazil K001101412
    Reitz [17684], Brazil K001101424
    Irwin, H.S. [5621], Brazil K001101409
    Eiten, G. [2424], Brazil K001101427
    Eiten, G. [3392], Brazil K001101433
    Longhi-Wagner, H.M. [3663], Brazil K001101390
    Longhi-Wagner, H.M. [3671], Brazil K001101391
    Longhi-Wagner, H.M. [3735], Brazil K001101406
    Longhi-Wagner, H.M. [3653], Brazil K001101407
    Castellanos, A. [25398], Brazil K001101396
    Kummrow, R. [193], Brazil K001101419
    Smith, L.B. [13272], Brazil K001101408
    Smith, L.B. [13499], Brazil K001101410
    Smith, L.B. [13297], Brazil K001101411
    Sello [1273], Brazil K001101392
    Widgren [s.n.], Brazil K001101397
    Lucas, E.J. [437], Brazil K001101425
    Hoehne, W. [s.n.], Brazil K001101431
    Sellow [s.n.], Brazil K001101393
    Sellow [s.n.], Brazil K001101394
    Sellow [1149], Brazil K001101401
    Valls, J.F.M. [2426], Brazil K001101395
    Cordeiro, J. [195], Brazil K001101421
    Saint-Hilaire, A. [C1/1019], Brazil K001101429
    Reineck [22], Brazil K001101414
    Rosengurtt [8977], Brazil K001101413
    Klein, R.M. [11968], Brazil K001101415
    Klein, R.M. [12056], Brazil K001101418
    Klein, R.M. [10276], Brazil K001101432
    Mattos, J.R. [8199], Brazil K001101434
    Ferrucci, S. [214], Brazil K001101416
    Dombrowski, L.T. [5572], Brazil K001101420
    Regnell, A.F. [III/1396], Brazil K001101403
    Glaziou, A. [13639], Brazil K001101398
    Skvortzov, B. [63], Brazil K001101428
    Burchell [5312], Brazil K001101404
    Burchell [5453], Brazil K001101405
    Glaziou [17367], Brazil K001101399
    Barbosa, J. [680], Brazil K001101430

    First published in Revista Sudamer. Bot. 9: 98 (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

    Neotropikey
    Milliken, W., Klitgard, B. and Baracat, A. (2009 onwards), Neotropikey - Interactive key and information resources for flowering plants of the Neotropics.
    http://creativecommons.org/licenses/by/3.0