1. Family: Poaceae Barnhart
    1. Genus: Eriochloa Kunth
      1. Eriochloa tridentata (Trin.) Kuhlm.

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect, or geniculately ascending; 90-110 cm long. Culm-nodes bearded. Ligule a fringe of hairs. Leaf-blades 20-40 cm long; 4-10 mm wide. Leaf-blade surface glabrous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 7-20; borne along a central axis; unilateral; 2-6 cm long. Central inflorescence axis 8-18 cm long. Rhachis angular. Spikelet packing adaxial. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; acuminate; 4-5 mm long; falling entire. Spikelet callus globular; incorporating lowest rhachilla internode with adnate lower glume; glabrous.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; acuminate; 4-5 mm long; falling entire. Spikelet callus globular; incorporating lowest rhachilla internode with adnate lower glume; glabrous.
    Glume
    Glumes one the lower absent or obscure; reaching apex of florets; thinner than fertile lemma. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface hirsute; hairy below. Upper glume apex dentate; 3 -fid.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; 5 -veined; acuminate; muticous. Fertile lemma elliptic; 1-1.5 mm long; indurate; without keel. Lemma margins involute. Lemma apex obtuse; awned; 1 -awned. Principal lemma awn 0.7-1 mm long overall. Palea involute; indurate.
    Distribution
    South America: Brazil.
    Reference
    Paniceae. Fl Fan Arg 2004.

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Brazil West-Central

    Eriochloa tridentata (Trin.) Kuhlm. appears in other Kew resources:

    First published in Relat. Commiss. Linhas Telegr. Estratég. Matto Grosso Amazonas 5(11): 89 (1922)

    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
    • 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

    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