1. Family: Poaceae Barnhart
    1. Ixophorus Schltdl.

      1. This genus is accepted, and its native range is Mexico to Colombia, Caribbean.

    [GB]

    nonem

    Habit
    Perennial. Culms 50-140 cm long. Ligule an eciliate membrane.
    Inflorescences
    Inflorescence composed of racemes. Racemes borne along a central axis; unilateral. Rhachis angular; terminating in a barren extension; extension bristle-like. Spikelet packing abaxial; 2 -rowed. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles. Involucral bristles persistent; flexible.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 3.5-4.7 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 3.5-4.7 mm long; falling entire.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; herbaceous; without keels; 3 -veined. Lower glume apex acute. Upper glume ovate; 1.75 length of adjacent fertile lemma; herbaceous; without keels; 9-11 -veined. Upper glume apex acute.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret ovate; cartilaginous; 5 -veined; acute. Palea of lower sterile floret becoming indurate on flanks at maturity; winged on keels. Fertile lemma elliptic; indurate; without keel. Lemma surface papillose. Lemma margins involute. Lemma apex apiculate. Palea indurate.
    Distribution
    Pacific, or North America, or South America.

    Distribution

    Native to:

    Belize, Colombia, Costa Rica, Cuba, El Salvador, Guatemala, Honduras, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Nicaragua, Puerto Rico

    Introduced into:

    Brazil Southeast, Guyana, Hawaii, Venezuela

    Ixophorus Schltdl. appears in other Kew resources:

    First published in Linnaea 31: 420 (1862)

    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

    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