1. Family: Poaceae Barnhart
    1. Hordelymus (Jess.) Harz

      1. This genus is accepted, and its native range is Europe to Caucasus, NW. Africa.

    [GB]

    nonem

    Habit
    Perennial. Culms erect, or decumbent; 40-120 cm long. Leaf-sheath auricles falcate. Ligule an eciliate membrane.
    Inflorescences
    Inflorescence composed of racemes. Racemes single; erect, or drooping; bilateral. Spikelet packing abaxial. Spikelets appressed; in threes. Fertile spikelets pedicelled; 3 in the cluster. Pedicels oblong.
    Spikelets
    Spikelets comprising 1-2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 8-10 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1-2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 8-10 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes collateral; connate along margins below; persistent; shorter than spikelet, or reaching apex of florets. Lower glume linear; 1 length of upper glume; coriaceous; without keels; 3 -veined. Lower glume apex acuminate; awned. Upper glume linear; coriaceous; without keels; 3 -veined. Upper glume apex acuminate; awned; 1 -awned.
    Florets
    Fertile lemma lanceolate; coriaceous; without keel; 5 -veined. Lemma surface scaberulous. Lemma apex acuminate; awned; 1 -awned. Palea 1 length of lemma; 2 -veined.
    Flowers
    Lodicules 2; membranous. Anthers 3. Ovary with a fleshy appendage below style insertion; pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp; fusiform. Embryo 0.2 length of caryopsis. Hilum linear; 1 length of caryopsis.
    Distribution
    Europe, or Africa, or Temperate Asia.

    Distribution

    Native to:

    Algeria, Austria, Baltic States, Belarus, Belgium, Bulgaria, Central European Rus, Corse, Czechoslovakia, Denmark, France, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Krym, Morocco, North Caucasus, Poland, Romania, Sicilia, Spain, Sweden, Switzerland, Transcaucasus, Turkey, Turkey-in-Europe, Ukraine, Yugoslavia

    Hordelymus (Jess.) Harz appears in other Kew resources:

    First published in Samenkunde 2: 1147 (1885)

    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