1. Family: Poaceae Barnhart
    1. Gynerium Willd. ex P.Beauv.

      1. This genus is accepted, and its native range is Mexico to Tropical America.

    [GB]

    nonem

    Habit
    Perennial. Rhizomes elongated. Culms erect; reed-like; 300-1000 cm long. Ligule a ciliolate membrane.
    Inflorescences
    Dioecious. Inflorescence a panicle. Panicle open. Spikelets solitary. Fertile spikelets pedicelled. Male inflorescence similar to female; a panicle. Male spikelets distinct from female. Male spikelet glumes 2.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets cuneate; laterally compressed; 7-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; glabrous, or pilose.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets cuneate; laterally compressed; 7-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; glabrous, or pilose.
    Glume
    Glumes deciduous; exceeding apex of florets; recurved at apex. Lower glume linear; 0.3-0.5 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume linear; 1.5-2 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume apex caudate.
    Florets
    Fertile florets female. Fertile lemma elliptic; membranous; without keel; 3 -veined. Lemma surface plumose. Lemma margins involute. Lemma apex caudate. Palea 0.25 length of lemma; 2 -veined.
    Flowers
    Lodicules 2. Anthers 2. Stigmas 2.
    Male
    Male inflorescence similar to female; a panicle. Male spikelets distinct from female. Male spikelet glumes 2.
    Distribution
    Africa, or North America, or South America.

    Images

    Distribution

    Native to:

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

    Introduced into:

    Galápagos, Ghana

    Gynerium Willd. ex P.Beauv. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    s.coll. [P6-301b], Peru K000743056

    First published in Ess. Agrostogr.: 138 (1812)

    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.

    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