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

        This species is accepted, and its native range is S. Mexico to Nicaragua.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 50-75 cm long. Culm-nodes pubescent. Leaves mostly basal. Leaf-sheaths glabrous on surface, or pilose; outer margin glabrous, or hairy. Ligule a fringe of hairs; 0.5 mm long. Leaf-blades 10-25 cm long; 2-4 mm wide. Leaf-blade surface glabrous, or pilose; hairy on both sides. Leaf-blade margins ciliate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; flexuous; unilateral; 4-8 cm long. Rhachis angular; 0.5 mm wide; scabrous on surface; scabrous on margins. Spikelet packing adaxial; lax. 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; 4-5.5 mm long; falling entire. Spikelet callus pubescent.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 4-5.5 mm long; falling entire. Spikelet callus pubescent.
    Glume
    Glumes dissimilar; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; symmetrical, or asymmetrical; 3-4.8 mm long; 0.75 length of spikelet; chartaceous; 1-keeled; 3-4 -veined. Lower glume surface pilose; hairy below. Lower glume apex acute to setaceously attenuate. Upper glume lanceolate; 4-5.2 mm long; 0.9-1 length of spikelet; membranous; without keels; 5-7 -veined. Upper glume margins ciliate. Upper glume apex acute.
    Florets
    Basal sterile florets barren; with palea, or without significant palea. Lemma of lower sterile floret oblong; 1 length of spikelet; membranous; thicker on margins; 5 -veined; without hair tufts, or with marginal tufts of hair; 2 hair tufts in all; eciliate on margins (but tufted), or ciliate on margins (when not tufted); acute. Fertile lemma ovate; dorsally compressed; 3-4 mm long; coriaceous; without keel; 5 -veined. Lemma surface smooth. Lemma margins flat. Lemma apex acute. Palea coriaceous; without keels.
    Flowers
    Anthers 3; 2-2.5 mm long; purple.
    Fruits
    Hilum linear; 1 length of caryopsis.
    Distribution
    North America: Mexico. South America: Mesoamericana.
    Reference
    Paniceae. Filgueiras.

    Distribution

    Native to:

    Belize, Guatemala, Honduras, Mexico Gulf, Mexico Southeast, Nicaragua

    Mesosetum blakei Swallen appears in other Kew resources:

    First published in Brittonia 3: 390 (1937)

    Accepted by

    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • 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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    Literature

    Kew Backbone Distributions
    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • 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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/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