1. Family: Poaceae Barnhart
    1. Genus: Mesosetum Steud.
      1. Mesosetum rottboellioides (Kunth) Hitchc.

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 27-80 cm long. Culm-internodes distally glabrous. Culm-nodes glabrous. Lateral branches lacking. Leaves mostly basal. Leaf-sheaths glabrous on surface, or pilose. Ligule a fringe of hairs; 1 mm long. Leaf-blades 5-20 cm long; 1-5 mm wide. Leaf-blade surface glabrous, or pilose; hairy on both sides; with simple hairs, or tubercle-based hairs.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; unilateral; 5-13 cm long. Rhachis angular; glabrous on surface, or puberulous on surface. Spikelet packing adaxial; regular; 2 -rowed. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong; 0.5-1 mm long.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 4-4.5 mm long; falling entire. Spikelet callus pubescent.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 4-4.5 mm long; falling entire. Spikelet callus pubescent.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 2.8-3.5 mm long; 0.75 length of spikelet; chartaceous; 1-keeled; 3 -veined. Lower glume surface pilose. Lower glume hairs red; 1-1.5 mm long. Lower glume apex obtuse, or acute. Upper glume lanceolate; 3.5-4 mm long; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface pilose. Upper glume margins ciliate. Upper glume hairs red. Upper glume apex acute, or acuminate.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret oblong; 1 length of spikelet; membranous; 3 -veined; pilose; hairy below; bearing red hairs; acute. Fertile lemma ovate; dorsally compressed; 2.7-3.2 mm long; coriaceous; without keel; 5 -veined. Lemma lateral veins obscure. Lemma margins flat. Lemma apex acute. Palea coriaceous; without keels.
    Flowers
    Anthers 3; purple.
    Fruits
    Hilum linear; 1 length of caryopsis.
    Distribution
    South America: northern South America, western South America, and Brazil.
    Reference
    Paniceae. Filgueiras.
    [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.; Guayana y Serranía de La Macarena, Orinoquia.
    Habit
    Hierba
    Conservation
    No Evaluada

    Images

    Distribution

    Native to:

    Brazil North, Brazil Northeast, Brazil Southeast, Colombia, Guyana, Suriname, Venezuela

    Mesosetum rottboellioides (Kunth) Hitchc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2013 Ule, E. [8045], Brazil K000982530
    Martius [3848], Brazil K000004419 Unknown type material
    Martius [3847], Brazil K000004418 Unknown type material
    Ule, E. [7492], Bahia K000004420 isotype

    First published in Contr. U.S. Natl. Herb. 12: 211 (1909)

    Accepted by

    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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.
    • 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.

    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.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • 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.

    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 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