1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida riparia Trin.

        This species is accepted, and its native range is Panama to S. Tropical America.

    [GB]
    Habit
    Perennial. Culms (60-)90-130(-180) cm long. Lateral branches lacking. Leaf-sheath oral hairs bearded. Ligule a fringe of hairs; 0.4-0.8 mm long. Collar glabrous. Leaf-blades straight, or curled (lower, very rarely); flat, or convolute (upper, rarely); 19-70 cm long; (2.8-)3-5 mm wide. Leaf-blade surface scabrous; rough on both sides; pilose (at base); densely hairy (lanose at base, adaxially); hairy adaxially. Leaf-blade apex acute; antrorsely scabrous.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; 20-44 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; 1-1.5 mm long; bearded; 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; 1-1.5 mm long; bearded; acute.
    Glume
    Glumes persistent; dissimilar (lower longer than upper). Lower glume lanceolate; 12-22 mm long; 1 -veined. Lower glume primary vein scabrous. Lower glume surface scabrous; rough generally. Lower glume apex acute, or acuminate; awned. Upper glume lanceolate; 10-22 mm long; 1 -veined. Upper glume surface smooth. Upper glume apex entire; acute, or acuminate.
    Florets
    Fertile lemma subterete; 6-8 mm long; without keel; rounded throughout; 3 -veined. Lemma surface smooth; without grooves. Lemma margins convolute. Lemma apex awned; 3 -awned. Principal lemma awn straight; ascending; simple at base; with (26-)32-64 mm long limb; with twisted column. Column of lemma awn (6-)14-24(-52) mm long (sometimes variation in the same inflorescence). Lateral lemma awns ascending; 22-42(-60) mm long; subequal to principal.
    Distribution
    South America: Mesoamericana, northern South America, western South America, Brazil, and southern South America.
    Reference
    Aristideae. Lo-W 1993.
    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Nativa en Colombia; Alt. 0 - 500 m.; Orinoquia.
    Habit
    Hierba
    Conservation
    No Evaluada

    Images

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Panamá, Suriname, Venezuela

    Aristida riparia Trin. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1993 Clayton, W.D. [4805], Brazil K001054234
    Jan 1, 1993 Onishi, E. [949], Brazil K001054257
    Jan 1, 1993 Ratter, J.A. [R 1995], Brazil K001054255
    Jan 1, 1993 Ratter, J.A. [R 315], Brazil K001054256
    Jan 1, 1993 Irwin, H.S. [7468], Brazil K001054248
    Jan 1, 1993 Irwin, H.S. [7026], Brazil K001054251
    Jan 1, 1993 Irwin, H.S. [24233], Brazil K001054253
    Jan 1, 1993 Irwin, H.S. [5582], Brazil K001054235
    Jan 1, 1993 Brooks, R.R. [13], Brazil K001054262
    Jan 1, 1993 Burchell, W.J. [s.n.], Brazil K001054243
    Jan 1, 1993 Burchell, W.J. [5211], Brazil K001054259
    Jan 1, 1993 Glaziou, A.F.M. [17445], Brazil K001054244
    Jan 1, 1993 Glaziou, A.F.M. [22569], Brazil K001054246
    Jan 1, 1993 Glaziou, A.F.M. [20105], Brazil K001054254
    Jan 1, 1993 Pohl, J.B.E. [1150], Brazil K001054241
    Jan 1, 1993 Bommer, D.F.R. [14], Brazil K001054258
    Jun 4, 1984 Burchell, W.J. [8750], Brazil K001054250
    Jun 4, 1984 Burchell, W.J. [6889], Brazil K001054252
    Nov 28, 1983 Ratter, J.A. [R 4910], Brazil K001054260
    Jan 1, 1961 Eiten, G. [1723], Brazil K001054249
    Richards, P.W. [6432], Brazil K001054236
    Hunt, D.R. [5654], Brazil K001054239
    Hunt, D.R. [5761], Brazil K001054240
    Clayton, W.D. [4905], Brazil K001054232
    Clayton, W.D. [4968], Brazil K001054233
    Ratter, J.A. [R1995], Brazil K001054245
    Ratter, J.A. [3007], Brazil K001054261
    Ratter, J.A. [818], Brazil K001054237
    Ratter, J.A. [R 1289], Brazil K001054238
    Sendulsky, T. [31], Brazil K001054247
    Gifford, D.R. [68], Brazil K001054487
    Glaziou, A.F.M. [17445], Brazil K001054242
    Hatschbach, G.G. [35929], Brazil K001054263
    Hatschbach, G.G. [71906], Brazil K001054264

    First published in Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 4(2): 48 (1836)

    Accepted by

    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    Sources

    Catálogo de Plantas y Líquenes de Colombia
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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