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

        This species is accepted, and its native range is Cuba.

    [GB]
    Habit
    Perennial. Stolons present. Culms decumbent; 10-40 cm long; rooting from lower nodes. Culm-nodes bearded. Leaves mostly basal. Leaf-sheaths striately veined; glabrous on surface, or pilose; outer margin hairy. Ligule a fringe of hairs; 1 mm long. Leaf-blades linear, or lanceolate; 2-6.5 cm long; 2-4 mm wide. Leaf-blade surface glabrous, or pilose; with tubercle-based hairs. Leaf-blade margins cartilaginous; glabrous, or tuberculate-ciliate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; unilateral; 1.5-3 cm long. Rhachis angular; 0.5 mm wide; pubescent on margins. Spikelet packing adaxial; regular; 2 -rowed. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong; 1 mm long; scabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 3.2-4.2 mm long; falling entire. Spikelet callus pubescent.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 3.2-4.2 mm long; falling entire. Spikelet callus pubescent.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 2-2.5 mm long; 0.6 length of spikelet; chartaceous; much thinner on margins; 1-keeled; 3 -veined. Lower glume surface glabrous, or pilose. Lower glume apex dentate; 2 -fid. Upper glume lanceolate; 3.5-3.8 mm long; 1 length of spikelet; membranous; without keels; 7-9 -veined. Upper glume lateral veins transversely connected at apex. Upper glume surface glabrous, or pilose; with a dorsal tuft of hair. Upper glume margins ciliate. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret oblong; 1 length of spikelet; membranous; 7 -veined; with veins transversely connected at apex; with marginal tufts of hair and with dorsal tufts of hair; 3 hair tufts in all; ciliolate on margins; acute. Fertile lemma ovate; dorsally compressed; 2.5-2.8 mm long; coriaceous; shiny; without keel; 5 -veined. Lemma lateral veins obscure. Lemma surface smooth. Lemma margins flat; covering most of palea. Lemma apex acute. Palea coriaceous; without keels.
    Flowers
    Anthers 3; purple.
    Fruits
    Caryopsis 2 mm long; dark brown. Embryo 0.5 length of caryopsis. Hilum linear; 0.66 length of caryopsis.
    Distribution
    South America: Caribbean.
    Reference
    Paniceae. Filgueiras.

    Images

    Distribution

    Mesosetum wrightii Hitchc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Wright, C. [3859], Cuba K000308107 Unknown type material
    Wright, C. [120], Cuba K000643317

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

    Accepted by

    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • 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
    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.

    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