1. Family: Poaceae Barnhart
    1. Loudetiopsis Conert

      1. This genus is accepted, and its native range is W. Tropical Africa to Chad, Bolivia to Brazil and Paraguay.

    [GB]

    nonem

    Habit
    Annual (2), or perennial (11). Rhizomes absent (12), or elongated (1). Culms erect (9/11), or geniculately ascending (3/11), or decumbent (2/11); 30-110.8-260 cm long. Lateral branches lacking (2/2), or sparse (1/2). Ligule a fringe of hairs. Leaf-blades aciculate (1), or filiform (1), or linear (12); stiff (2), or firm (11). Leaf-blade margins cartilaginous (1/1).
    Inflorescences
    Inflorescence a panicle. Panicle open (12), or contracted (4). Primary panicle branches not whorled (12), or whorled at most nodes (1). Panicle axis bearing persistent branches (10), or deciduous spikelet clusters (3). Spikelets in threes. Fertile spikelets pedicelled; 3 in the cluster. Pedicels free (10), or fused to each other (3); filiform (6/6).
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4-11.9-35 mm long; falling entire (3), or breaking up at maturity (10); deciduous in a cluster with fused pedicels (3/3); disarticulating below each fertile floret (10/10). Floret callus brief (2), or evident (11); pubescent (1/11), or pilose (4/11), or bearded (6/11); truncate (7), or obtuse (3), or unequally 2-toothed (1), or 2-toothed (3).
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4-11.9-35 mm long; falling entire (3), or breaking up at maturity (10); deciduous in a cluster with fused pedicels (3/3); disarticulating below each fertile floret (10/10). Floret callus brief (2), or evident (11); pubescent (1/11), or pilose (4/11), or bearded (6/11); truncate (7), or obtuse (3), or unequally 2-toothed (1), or 2-toothed (3).
    Glume
    Glumes persistent (10/10); reaching apex of florets (7), or exceeding apex of florets (6); thinner than fertile lemma; parallel to lemmas (10), or gaping (3). Lower glume lanceolate (9), or elliptic (1), or oblong (1), or ovate (3); 0.5-0.65-0.9 length of upper glume; chartaceous; without keels; 3 -veined (11/11), or 4-5 -veined (1/11). Lower glume surface smooth (12), or asperulous (1); glabrous (4), or hispid (1), or setose (11). Lower glume apex truncate (2), or obtuse (5), or acute (3), or acuminate (5); muticous (12), or mucronate (1). Upper glume lanceolate (11), or oblong (2), or ovate (1); chartaceous; without keels; 3 -veined (9/11), or 4 -veined (1/11), or 5 -veined (3/11), or 6-7 -veined (1/11). Upper glume surface glabrous (6), or pubescent (1), or hispidulous (1), or setose (6); with simple hairs (2/8), or tubercle-based hairs (6/8). Upper glume apex emarginate (1), or truncate (5), or obtuse (2), or acute (1), or acuminate (7).
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret lanceolate (11), or oblong (2); membranous (3), or chartaceous (11); 3 -veined (8/11), or 4 -veined (1/11), or 5 -veined (2/11), or 6 -veined (1/11), or 7 -veined (3/11), or 8-9 -veined (1/11); truncate (2), or obtuse (5), or acute (5), or acuminate (5). Palea of lower sterile floret wingless (10), or winged on keels (3). Fertile lemma linear (1), or lanceolate (1), or elliptic (9), or oblong (2); coriaceous; without keel; 5-6 -veined (2/11), or 7 -veined (11/11), or 8-9 -veined (1/11). Lemma surface pubescent (10), or pilose (2), or villous (1). Lemma margins involute; interlocking with palea keels. Lemma apex lobed; 2 -fid; incised 0.1-0.1664-0.33 of lemma length; acuminate (1/1); awned; 1 -awned. Principal lemma awn from a sinus; curved (1), or geniculate (12). Column of lemma awn glabrous (7/12), or hispidulous (3/12), or pubescent (2/12). Palea 2 -veined. Palea keels separated (3), or approximate (10); unthickened (3), or thickened (10). Palea surface glabrous (11), or pilose (2).
    Flowers
    Lodicules 2 (1/1). Anthers 2 (10), or 3 (3). Stigmas 2 (1/1).
    Fruits
    Caryopsis with adherent pericarp (10/10); linear (1/1). Hilum linear (1/1).
    Distribution
    Africa (11), or North America (2), or South America (1).

    Images

    Distribution

    Native to:

    Benin, Bolivia, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Burkina, Cameroon, Central African Repu, Chad, Congo, Gabon, Gambia, Ghana, Guinea, Ivory Coast, Liberia, Mali, Nigeria, Paraguay, Sierra Leone, Togo

    Loudetiopsis Conert appears in other Kew resources:

    First published in Bot. Jahrb. Syst. 77: 277 (1957)

    Literature

    Flora of West Tropical Africa
    • Clayton in Kew Bull. 21: 122 (1967).
    • in Engl., Bot. Jahrb. 77: 277 (1957)

    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