1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis canescens (Weber) Roth

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

    [GB]
    Habit
    Perennial; caespitose; clumped loosely. Rhizomes short. Culms erect; 50-120 cm long. Lateral branches lacking. Ligule an eciliate membrane; 1-7 mm long; obtuse. Leaf-blades flat, or convolute; 6-20 cm long; 3-6 mm wide. Leaf-blade surface pubescent; hairy adaxially. Leaf-blade margins scabrous. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence a panicle. Panicle open; lanceolate, or oblong; nodding; 5-23 cm long; 1.5-6 cm wide. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.7-3 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4.5-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 1.2 length of lemma.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4.5-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 1.2 length of lemma.
    Glume
    Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; gaping. Lower glume lanceolate; 4.5-6 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface asperulous. Lower glume apex acuminate. Upper glume lanceolate; 4.5-6 mm long; 1.5 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume surface asperulous. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 2.7-4 mm long; hyaline; without keel; 5 -veined. Lemma surface scaberulous. Lemma apex dentate; 2 -fid; truncate; awned; 1 -awned. Principal lemma awn subapical, or from a sinus; 0.5-1 mm long overall; not or scarcely exserted from spikelet. Palea 0.66 length of lemma; hyaline; 2 -veined.
    Flowers
    Lodicules 2. Anthers 3; 1.5 mm long; purple. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform.
    Distribution
    Europe: northern, central, southwestern, southeastern, and eastern. Asia-temperate: Siberia, Caucasus, and western Asia.
    Reference
    Aveneae. Fl Turk 1993.

    Distribution

    Native to:

    Altay, Austria, Baltic States, Belarus, Belgium, Bulgaria, Central European Rus, Czechoslovakia, Denmark, East European Russia, Finland, France, Germany, Great Britain, Hungary, Italy, Kazakhstan, Krasnoyarsk, Krym, Netherlands, North Caucasus, North European Russi, Northwest European R, Norway, Poland, Romania, South European Russi, Spain, Sweden, Switzerland, Turkey, Ukraine, West Siberia, Yugoslavia

    Introduced into:

    Somalia

    Calamagrostis canescens (Weber) Roth appears in other Kew resources:

    First published in Tent. Fl. Germ. 2(1): 93 (1789)

    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.
    • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
    • 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.
    • 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.
    • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
    • 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.
    • Pavlov, N.V. (ed.) (1956). Flora Kazakhstana 1: 1-354. Alma-Ata, Izd-vo Akademii nauk Kazakhskoi SSR.

    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 2019. 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 2019. 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