1. Family: Poaceae Barnhart
    1. Genus: Anthaenantiopsis Mez ex Pilg.
      1. Anthaenantiopsis trachystachya (Nees) Mez ex Pilg.

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

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths persistent and investing base of culm; with fibrous dead sheaths. Culms 60-80 cm long. Ligule an eciliate membrane. Leaf-blades convolute; 5-30 cm long; 2-4 mm wide. Leaf-blade surface glabrous. Leaf-blade margins scabrous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 4-7; borne along a central axis; unilateral; 1-2 cm long. Central inflorescence axis 7-10 cm long. Rhachis angular; ciliate on margins. Spikelet packing lax. Spikelets in pairs. Fertile spikelets pedicelled; 2 in the cluster. Pedicels linear, or oblong; unequal; ciliate.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; compressed slightly; obtuse; 3 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; compressed slightly; obtuse; 3 mm long; falling entire.
    Glume
    Glumes one the lower absent or obscure, or two; dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 0-1.5 mm long; 0-0.5 length of spikelet; hyaline; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume surface villous. Upper glume ovate; membranous; without keels; 5 -veined. Upper glume lateral veins ribbed. Upper glume surface villous. Upper glume apex acute.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; ribbed; villous; bearing hairs 0.5-1 mm long; acute. Fertile lemma ovate; 3 mm long; coriaceous; without keel; 5 -veined. Lemma margins involute. Lemma apex acute; pubescent. Palea gaping; 1 length of lemma; coriaceous; 2 -veined.
    Distribution
    South America: Brazil and southern South America.
    Reference
    Paniceae. WDC.

    Images

    Distribution

    Native to:

    Brazil North, Brazil West-Central, Paraguay

    Anthaenantiopsis trachystachya (Nees) Mez ex Pilg. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Brazil K000643635
    Brazil K000643638
    Harley, R.M. [10309], Brazil K001078702
    Irwin, H.S. [6797], Brazil K001078704
    Riedel, L. [453], Brazil K001078709
    Burchell, W.J. [8165], Brazil K001078708
    Burchell, W.J. [8265], Brazil K001078706
    Burchell, W.J. [7472], Brazil K001078707
    Sellow [s.n.], Brazil K000643636
    Sellow [s.n.], Brazil K000643637
    Argent, G.C.G. [6730], Brazil K001078703
    Ferreira, A.R. [s.n.] K001078710
    Glaziou, A.F.M. [22575], Brazil K001078705

    First published in Notizbl. Bot. Gart. Berlin-Dahlem 11: 237 (1931)

    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

    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 2018. 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 2018. 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