1. Family: Poaceae Barnhart
    1. Setariopsis Scribn. ex Millsp.

      1. This genus is accepted, and its native range is S. Arizona to Venezuela.

    [GB]

    nonem

    Habit
    Annual. Culms erect (1/1); 15-51.25-100 cm long; without nodal roots (1/1), or rooting from lower nodes (1/1). Ligule a fringe of hairs.
    Inflorescences
    Inflorescence a panicle. Panicle contracted, or spiciform (1). Primary panicle branches sterile at the tips. Spikelets subtended by an involucre. Fertile spikelets pedicelled; 1 in the cluster (1/1). Involucre composed of bristles. Involucral bristles persistent. Pedicels oblong (1), or cuneate (1).
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong (1), or ovate; dorsally compressed; gibbous (1), or plano-convex (1); 2-2.75-3.5 mm long; falling entire. Rhachilla internodes brief up to lowest fertile floret (1), or elongated between glumes (1).
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong (1), or ovate; dorsally compressed; gibbous (1), or plano-convex (1); 2-2.75-3.5 mm long; falling entire. Rhachilla internodes brief up to lowest fertile floret (1), or elongated between glumes (1).
    Glume
    Glumes reaching apex of florets, or exceeding apex of florets (1); thinner than fertile lemma. Lower glume oblate; not gibbous (1), or gibbous (1); membranous; without keels; 2-3 -veined (1). Lower glume apex obtuse, or cuspidate (1). Upper glume ovate (1), or oblate (1); gibbous; 1 length of adjacent fertile lemma; membranous (1), or herbaceous (1), or coriaceous (1), or indurate (1); without keels; wingless (1), or winged on margins (1); 11-13 -veined (1), or 17-19 -veined (1). Upper glume lateral veins without ribs (1), or ribbed (1); without cross-veins (1/1), or with cross-veins (1/1). Upper glume apex entire, or erose (1); obtuse, or acute (1), or acuminate (1), or attenuate (1), or setaceously attenuate (1), or cuspidate (1).
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret oblong (1), or ovate (1); membranous, or coriaceous; 9 -veined (1/1); sulcate; emarginate (1), or obtuse (1). Fertile lemma elliptic (1), or ovate (1); dorsally compressed (1/1); indurate; without keel (1), or keeled (1); 5 -veined (1/1). Lemma surface smooth (1), or tuberculate (1); unwrinkled (1), or rugose (1). Lemma margins involute. Lemma apex acute (1), or cuspidate (1). Palea 0.9-0.95-1 length of lemma; indurate; 2 -veined (1/1).
    Flowers
    Anthers 3 (1/1). Stigmas 2 (1/1).
    Fruits
    Caryopsis with adherent pericarp (1/1); ovoid (1/1).
    Distribution
    North America, or South America (1).

    Images

    Distribution

    Native to:

    Arizona, Colombia, Guatemala, Honduras, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Nicaragua, Venezuela

    Setariopsis Scribn. ex Millsp. appears in other Kew resources:

    First published in Publ. Field Columb. Mus., Bot. Ser. 1: 288 (1896)

    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