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  1. Family: Poaceae Barnhart
    1. Genus: Mesosetum Steud.

      1. Mesosetum ansatum (Trin.) Kuhlm.

        This species is accepted, and its native range is Bolivia to Brazil (Mato Grosso).

    [GB]
    Habit
    Perennial. Stolons present. Culms erect; 12-33 cm long. Culm-nodes pubescent. Ligule a fringe of hairs. Leaf-blades 1.5-6 cm long; 1-3 mm wide. Leaf-blade margins cartilaginous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; unilateral; 3-4.5 cm long. Rhachis broadly winged; membranous; 2-3 mm wide. Spikelet packing adaxial; regular; 2 -rowed. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; acute; 2.7 mm long; falling entire. Spikelet callus pubescent.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; acute; 2.7 mm long; falling entire. Spikelet callus pubescent.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume elliptic; 1 length of spikelet; chartaceous; 1-keeled; keeled above; 3 -veined. Lower glume surface with a dorsal tuft of hair (at base). Lower glume apex lobed; 2 -fid; acute; awned; 1 -awned. Lower glume awn 3-6 mm long. Upper glume lanceolate; 1 length of spikelet; membranous; without keels; 3 -veined. Upper glume margins ciliate. Upper glume apex acute.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret oblong; 1 length of spikelet; hyaline; thicker on margins; 5 -veined; ciliate on margins; acute. Fertile lemma ovate; dorsally compressed; 2.5 mm long; coriaceous; without keel. Lemma margins flat. Lemma apex acuminate. Palea coriaceous.
    Distribution
    South America: Brazil.
    Reference
    Paniceae. Swallen.

    Images

    Distribution

    Native to:

    Bolivia, Brazil West-Central

    Mesosetum ansatum (Trin.) Kuhlm. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Brazil K000643313
    Hatschbach, G. [62225], Brazil K000982400
    Hatschbach, G. [36077], Brazil K000982401
    Riedel [769], Brazil K000643311
    Riedel [201], Brazil K000643312
    s.coll. [s.n.], Brazil K000982399

    First published in Relat. Commiss. Linhas Telegr. Estratég. Matto Grosso Amazonas 5(11): 42 (1922)

    Accepted by

    • da Silva, A.S. & al. (2016). Eleven new records of little known taxa of Mesosetum and Paspalum (Poaceae) from Brazil and Bolivia Phytotaxa 268: 69-79.
    • 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
    • da Silva, A.S. & al. (2016). Eleven new records of little known taxa of Mesosetum and Paspalum (Poaceae) from Brazil and Bolivia Phytotaxa 268: 69-79.
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.

    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 2019. 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 2019. 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