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  1. Family: Poaceae Barnhart

    1. Rheochloa Filg., P.M.Peterson & Y.Herrera

        2. This genus is accepted, and its native range is Brazil.

    [GB]

    nonem

    Habit
    Perennial. Culms geniculately ascending, or decumbent; 60-75 cm long; rooting from lower nodes. Culm-internodes terete. Lateral branches lacking. Ligule a ciliolate membrane. Leaf-blades lanceolate, or ovate.
    Inflorescences
    Inflorescence composed of racemes. Racemes digitate; unilateral. Rhachis angular. Spikelet packing broadside to rhachis. Spikelets appressed; solitary. Fertile spikelets pedicelled. Pedicels oblong.
    Spikelets
    Spikelets comprising 2 fertile florets; with diminished florets at the apex. Spikelets laterally compressed; 5.4-5.6 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2 fertile florets; with diminished florets at the apex. Spikelets laterally compressed; 5.4-5.6 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; exceeding apex of florets; firmer than fertile lemma. Lower glume elliptic; 1 length of upper glume; coriaceous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume elliptic; 1.8-2.3 length of adjacent fertile lemma; coriaceous; 1-keeled; 1 -veined. Upper glume apex acute.
    Florets
    Fertile lemma oblong; hyaline; 3 -veined. Lemma surface scaberulous. Lemma apex obtuse; pubescent. Palea 2 -veined. Apical sterile florets 1 in number; rudimentary.
    Flowers
    Lodicules 2; fleshy; truncate. Anthers 3.
    Fruits
    Caryopsis with adherent pericarp; fusiform; isodiametric; trigonous; apex bicornate. Embryo 0.33 length of caryopsis. Hilum punctiform.
    Distribution
    South America.

    Distribution

    Native to:

    Brazil West-Central

    Accepted Species

    Other Data

    Rheochloa Filg., P.M.Peterson & Y.Herrera appears in other Kew resources:

    Bibliography

    First published in Syst. Bot. 24: 123 (1999)

    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 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