1. Family: Poaceae Barnhart
    1. Genus: Gouinia E.Fourn. ex Benth. & Hook.f.
      1. Gouinia mexicana (Scribn.) Vasey

        This species is accepted, and its native range is NE. Mexico.

    [GB]
    Habit
    Perennial. Culms erect; 150-200 cm long. Lateral branches lacking. Leaf-sheaths longer than adjacent culm internode; smooth, or scaberulous. Ligule an eciliate membrane, or a ciliolate membrane; 1 mm long; erose. Leaf-blades 20-35 cm long; 15-22 mm wide. Leaf-blade surface smooth, or scaberulous. Leaf-blade margins scabrous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 20-25; borne along a central axis; spreading; unilateral; 5-26 cm long. Central inflorescence axis 30-40 cm long. Rhachis angular. Spikelet packing lax. Raceme-bases filiform; 10-80 mm long. Spikelets appressed; solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet; similar to fertile lemma in texture. Lower glume lanceolate; 5 mm long; 0.7-0.8 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume apex acute. Upper glume ovate; 6 mm long; 0.75 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 8-9 mm long; membranous; keeled; 3 -veined. Lemma midvein ciliate. Lemma margins ciliate. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 2-3 mm long overall. Palea 0.75 length of lemma. Palea keels ciliate. Apical sterile florets 1 in number; barren; lanceolate. Apical sterile lemmas awned.
    Flowers
    Anthers 3.
    Distribution
    North America: Mexico.
    Reference
    Eragrostideae. Swallen.

    Images

    Distribution

    Native to:

    Mexico Northeast

    Gouinia mexicana (Scribn.) Vasey appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Pringle, C.G. [3252], Mexico K000308750

    First published in Contr. U.S. Natl. Herb. 1: 365 (1895)

    Accepted by

    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.

    Literature

    Kew Backbone Distributions
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.

    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