1. Family: Poaceae Barnhart
    1. Zizaniopsis Döll & Asch.

      1. This genus is accepted, and its native range is Central & SE. U.S.A., S. Mexico, Colombia, Brazil to NE. Argentina.

    [GB]

    nonem

    Habit
    Annual (1), or perennial (4). Rhizomes absent (1), or elongated (4). Culms reed-like (3/3); 91.2-202.9-300 cm long; spongy (4), or firm (1). Ligule an eciliate membrane. Leaf-blades stiff (1), or firm (4).
    Inflorescences
    Monoecious; with male and female spikelets in the same inflorescence. Inflorescence a panicle; exserted (4), or embraced at base by subtending leaf (1). Panicle open. Primary panicle branches not whorled (1), or whorled at most nodes (4). Sexes segregated; on unisexual branches (1), or bisexual branches; with male above (1), or below. Spikelets solitary. Fertile spikelets pedicelled. Male spikelets pedicelled. Pedicels tip rectangular (1/4), or cupuliform (3/4).
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate (1), or elliptic (1), or ovate (3); laterally compressed; 4-7.1-16 mm long; falling entire.
    Glume
    Glumes both absent or obscure.
    Florets
    Fertile florets female. Fertile lemma lanceolate (1), or elliptic (1), or ovate (3); chartaceous; without keel; 5 -veined (1), or 7 -veined (4). Lemma midvein without distinctive roughness (3), or scaberulous (2). Lemma surface smooth (4), or scabrous (1). Lemma apex acute (4), or acuminate (1); awned; 1 -awned. Palea 1 length of lemma; chartaceous; 3 -veined (4/4); without keels (4), or 1-keeled (1).
    Flowers
    Lodicules 2 (4/4). Anthers 6 (4/4). Stigmas 2 (4/4).
    Fruits
    Caryopsis with free brittle pericarp; ovoid (3/4), or orbicular (1/4); isodiametric (4/4); apex rostrate (4/4). Embryo 0.33 length of caryopsis. Hilum linear (3/3).
    Spikelets
    Male spikelets distinct from female; lanceolate (3), or elliptic (1), or ovate (1). Male spikelet glumes absent. Male spikelet lemma muticous (2), or awned (3). Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate (1), or elliptic (1), or ovate (3); laterally compressed; 4-7.1-16 mm long; falling entire.
    Male
    Male spikelets distinct from female; lanceolate (3), or elliptic (1), or ovate (1). Male spikelet glumes absent. Male spikelet lemma muticous (2), or awned (3).
    Distribution
    North America (1), or South America (4).

    Images

    Distribution

    Native to:

    Alabama, Argentina Northeast, Arkansas, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Florida, Georgia, Illinois, Kentucky, Louisiana, Maryland, Mexico Gulf, Mexico Southeast, Mississippi, Missouri, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Uruguay, Virginia

    Zizaniopsis Döll & Asch. appears in other Kew resources:

    First published in C.F.P.von Martius & auct. suc. (eds.), Fl. Bras. 2(2): 12 (1871)

    Accepted by

    • Govaerts, R. (2019). World Checklist of Vascular Plants (WCVP Database) The Board of Trustees of the Royal Botanic Gardens, Kew.

    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 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