1. Family: Poaceae Barnhart
    1. Gouinia E.Fourn. ex Benth. & Hook.f.

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

    [GB]

    nonem

    Habit
    Perennial. Rhizomes absent (8), or short (2). Culms erect (7/8), or decumbent (1/8), or scandent (1/8); slender (1/1); 30-109.2-300 cm long. Lateral branches lacking (4/5), or ample (1/5). Ligule an eciliate membrane (6), or a ciliolate membrane (4), or a fringe of hairs (1). Leaf-blades linear, or lanceolate (1).
    Inflorescences
    Inflorescence composed of racemes. Racemes borne along a central axis; ascending (5), or spreading (4), or drooping (2), or deflexed (2); unilateral. Rhachis angular. Spikelet packing contiguous (2), or lax (6), or distant (2). Raceme-bases brief (5), or filiform (5). Spikelets appressed (4/7), or ascending (1/7), or spreading (2/7), or deflexed (1/7); solitary. Fertile spikelets sessile (1), or pedicelled (9). Pedicels filiform (1/6), or linear (5/6).
    Spikelets
    Spikelets comprising 2 fertile florets (3), or 3-4 fertile florets (6), or 5 fertile florets (5), or 6 fertile florets (1); with diminished florets at the apex. Spikelets oblong; laterally compressed; 5-10.43-18 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus brief (5), or evident (5); pubescent (4/5), or bearded (1/5).
    Fertile
    Spikelets comprising 2 fertile florets (3), or 3-4 fertile florets (6), or 5 fertile florets (5), or 6 fertile florets (1); with diminished florets at the apex. Spikelets oblong; laterally compressed; 5-10.43-18 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus brief (5), or evident (5); pubescent (4/5), or bearded (1/5).
    Glume
    Glumes persistent; shorter than spikelet. Lower glume lanceolate; 0.66-0.797-1 length of upper glume; membranous; 1-keeled; 1 -veined (8), or 2 -veined (4), or 3 -veined (6), or 4 -veined (3), or 5 -veined (2). Lower glume lateral veins absent (2), or distinct (9). Lower glume apex obtuse (1), or acute (6), or acuminate (3); muticous (8), or mucronate (2), or awned (1). Upper glume lanceolate (1), or elliptic (3), or ovate (6); 0.6-0.775-1.2 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined (3), or 3-4 -veined (4), or 5 -veined (7), or 6-7 -veined (4). Upper glume apex emarginate (1), or obtuse (4), or acute (4), or acuminate (3); muticous (7), or mucronate (3), or awned (1); 1 -awned (1/1).
    Florets
    Fertile lemma lanceolate; membranous; keeled; 3 -veined, or 4-5 -veined (2), or 6-7 -veined (1). Lemma midvein eciliate (1), or ciliate (9). Lemma lateral veins excurrent (1/1), or extending close to apex (1/1). Lemma surface glabrous (9), or pilose (1); hairy between veins (1/1). Lemma margins eciliate (3), or ciliate (7). Lemma apex entire (4), or dentate (6); 2 -fid (6/6); acuminate (4/4); awned; 1 -awned. Principal lemma awn apical (4), or from a sinus (6); straight, or curved (1). Palea 0.75-0.9375-1 length of lemma; 2 -veined (1/1). Palea keels smooth (9), or scabrous (1); eciliate (5), or ciliate (5). Palea surface glabrous (8), or pubescent (1), or pilose (1). Palea apex muticous (8), or awned (2). Apical sterile florets 1 in number; barren; lanceolate. Apical sterile lemmas muticous (1), or awned (9).
    Flowers
    Lodicules 2 (3/3); fleshy (3/3). Anthers 3.
    Fruits
    Caryopsis with adherent pericarp (1/1); ellipsoid (1/1).
    Distribution
    North America (5), or South America (7).

    Images

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Bolivia, Brazil Northeast, Brazil West-Central, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guatemala, Haiti, Honduras, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Nicaragua, Paraguay, Peru, Venezuela

    Gouinia E.Fourn. ex Benth. & Hook.f. appears in other Kew resources:

    First published in Gen. Pl. 3: 1178 (1883)

    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