1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca beckeri (Hack.) Trautv.

        This species is accepted, and its native range is N. Europe to Siberia and NE. Turkey.

    [GB]
    Habit
    Perennial; caespitose; clumped loosely. Butt sheaths pallid, or light brown; pubescent. Basal innovations intravaginal. Culms erect; 20-60 cm long. Leaf-sheaths open for most of their length; with flat margins; pubescent. Ligule an eciliate membrane. Leaf-blades deciduous at the ligule; filiform; conduplicate; 0.3-0.7 mm wide; light green. Leaf-blade venation comprising 7-9 vascular bundles; with 3 inner ridges; with continuous uniform subepidermal sclerenchyma layer on the underside. Leaf-blade surface smooth. Leaf-blade apex muticous, or pungent.
    Inflorescences
    Inflorescence a panicle. Peduncle smooth. Panicle open; linear; continuous, or interrupted; 6-14 cm long. Panicle branches pubescent. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets elliptic, or oblong; laterally compressed; 4.5-7.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets elliptic, or oblong; laterally compressed; 4.5-7.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; dissimilar; shorter than spikelet. Lower glume lanceolate; 0.7-0.8 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate, or ovate; 2.9-4 mm long; 1 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume apex acuminate.
    Florets
    Fertile lemma lanceolate; 2.5-4.7 mm long; chartaceous; light green; without keel; 5 -veined. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 0.3-0.8 mm long overall. Palea 1 length of lemma; 2 -veined. Palea keels scaberulous. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3. Ovary glabrous.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    Europe: northern, central, and eastern. Asia-temperate: Siberia, Soviet Middle Asia, Caucasus, and western Asia.
    Reference
    Poeae. Fl Turk 1993.

    Distribution

    Native to:

    Altay, Baltic States, Belarus, Central European Rus, Denmark, East European Russia, Finland, Germany, Kazakhstan, Krasnoyarsk, Krym, Netherlands, North Caucasus, North European Russi, Northwest European R, Poland, South European Russi, Sweden, Transcaucasus, Turkey, Turkey-in-Europe, Ukraine, West Siberia

    Extinct in:

    Belgium

    Festuca beckeri (Hack.) Trautv. appears in other Kew resources:

    First published in Trudy Imp. S.-Peterburgsk. Bot. Sada 9: 325 (1884)

    Accepted by

    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.
    • Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
    • Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
    • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    Literature

    Kew Backbone Distributions
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.
    • Lambion, J., Delvosalle, L. & Duvigneaud, J. (2004). Nouvelle flore de la Belgique du G. D. de Luxembourg, du Nord de la France et des régions voisines, ed. 5: 1-1167. Edition du Patrimoine du Jardin botanique national de Belgique.
    • Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
    • Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
    • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    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