1. Family: Poaceae Barnhart
    1. Louisiella C.E.Hubb. & J.Léonard

      1. This genus is accepted, and its native range is Mexico to Tropical America, W. Central Tropical Africa to Sudan.

    [GB]

    nonem

    Habit
    Perennial. Culms prostrate; 10-30 cm long; spongy; rooting from lower nodes. Ligule a ciliolate membrane.
    Inflorescences
    Inflorescence composed of racemes; embraced at base by subtending leaf. Racemes borne along a central axis; unilateral. Rhachis angular. Spikelets appressed; in pairs, or in threes. Fertile spikelets pedicelled; 2-3 in the cluster. Pedicels filiform.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 7-8.5 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 7-8.5 mm long; falling entire.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma. Lower glume oblate; hyaline; without keels; 0-2 -veined. Lower glume lateral veins absent, or obscure. Lower glume apex obtuse. Upper glume lanceolate; membranous; without keels; 7-9 -veined. Upper glume surface scabrous. Upper glume apex acuminate.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; membranous; 7-9 -veined; acuminate. Fertile lemma ovate; coriaceous; much thinner on margins; without keel; 7 -veined. Lemma margins involute. Lemma apex acute; pubescent. Palea coriaceous.
    Fruits
    Caryopsis with adherent pericarp; oblong; dorsally compressed; plano-convex. Embryo 0.3 length of caryopsis. Hilum linear; 1 length of caryopsis.
    Distribution
    Africa.

    Images

    Distribution

    Native to:

    Argentina Northeast, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Cameroon, Central African Repu, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Haiti, Honduras, Jamaica, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Nicaragua, Panamá, Paraguay, Peru, Puerto Rico, Sudan, Suriname, Venezuela, Zaïre

    Louisiella C.E.Hubb. & J.Léonard appears in other Kew resources:

    First published in Bull. Jard. Bot. État Bruxelles 22: 316 (1952)

    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 2018. 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 2018. 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