1. Family: Poaceae Barnhart
    1. Lasiacis (Griseb.) Hitchc.

      1. This genus is accepted, and its native range is Tropical & Subtropical America.

    [GB]

    nonem

    Habit
    Annual (1), or perennial. Culms erect (4), or decumbent (1), or prostrate (4), or rambling (4), or scandent (8); slender (1/1); 30-269.6-1000 cm long; firm (7), or woody (10); with prop roots (1/6), or rooting from lower nodes (5/6). Lateral branches lacking (1/5), or sparse (1/5), or ample (4/5), or fastigiate (1/5). Leaf-sheath auricles absent, or erect (1). Ligule an eciliate membrane (8), or a ciliolate membrane (11), or a ciliate membrane (2). Leaf-blade base without a false petiole (14), or with a brief petiole-like connection to sheath (1). Leaf-blades persistent, or deciduous at the ligule (1); linear (8), or lanceolate (14), or elliptic (3), or oblong (1), or ovate (3).
    Inflorescences
    Inflorescence a panicle; exserted (14), or embraced at base by subtending leaf (1). Panicle open. Primary panicle branches not whorled (14), or whorled at lower nodes (1). Spikelets appressed (1/4), or spreading (3/4); solitary (13), or in pairs (2). Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets (14), or 2 basal sterile florets (1); 1 fertile florets; without rhachilla extension, or with a barren rhachilla extension (1). Spikelets elliptic (1), or orbicular (3), or obovate (12); dorsally compressed; 2.8-3.933-5.5 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets (14), or 2 basal sterile florets (1); 1 fertile florets; without rhachilla extension, or with a barren rhachilla extension (1). Spikelets elliptic (1), or orbicular (3), or obovate (12); dorsally compressed; 2.8-3.933-5.5 mm long; falling entire.
    Glume
    Glumes shorter than spikelet (1), or reaching apex of florets (14); thinner than fertile lemma. Lower glume ovate (1), or oblate (14); not gibbous (13), or gibbous (2); membranous; without keels; 4 -veined (1), or 5-6 -veined (4), or 7 -veined (12), or 8 -veined (9), or 9 -veined (11), or 10-11 -veined (8), or 12-13 -veined (2). Lower glume surface glabrous (2), or woolly (13). Lower glume apex obtuse (13), or acute (2). Upper glume ovate (13), or orbicular (2); 1 length of adjacent fertile lemma; membranous (14), or cartilaginous (1); without keels; 7-8 -veined (4), or 9 -veined (14), or 10 -veined (12), or 11 -veined (13), or 12-13 -veined (6). Upper glume surface glabrous (2), or woolly (13). Upper glume apex obtuse.
    Florets
    Basal sterile florets male (5), or barren (13); with palea (14), or without significant palea (1). Lemma of lower sterile floret ovate (14), or orbicular (1); membranous (14), or cartilaginous (1); 7-8 -veined (2), or 9 -veined (12), or 10 -veined (10), or 11 -veined (13), or 12-13 -veined (5); obtuse. Fertile lemma ovate (13), or orbicular (2); dorsally compressed; indurate; without keel. Lemma surface without grooves (14), or with a median groove (1). Lemma margins involute. Lemma apex obtuse; with a shallow excavation, or woolly. Palea indurate.
    Flowers
    Anthers 3 (14/14).
    Fruits
    Caryopsis with adherent pericarp (13/13).
    Distribution
    North America (13), or South America.

    Images

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Bahamas, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Cayman Is., Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Florida, French Guiana, Guatemala, Guyana, Haiti, Honduras, Jamaica, Leeward Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Netherlands Antilles, Nicaragua, Panamá, Paraguay, Peru, Puerto Rico, Southwest Caribbean, Suriname, Trinidad-Tobago, Turks-Caicos Is., Venezuela, Venezuelan Antilles, Windward Is.

    Lasiacis (Griseb.) Hitchc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jardim, J.G. [5586], Brazil K001102268

    First published in Contr. U.S. Natl. Herb. 15: 16 (1910)

    Accepted by

    • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

    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 2020. 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 2020. 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