1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis varia (Schrad.) Host

        This species is accepted, and its native range is Europe.

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short. Culms erect; 30-120 cm long; 3 -noded. Culm-internodes smooth. Leaf-sheath oral hairs lacking, or ciliate. Ligule an eciliate membrane; 2-4 mm long; lacerate; obtuse. Leaf-blades 10-25 cm long; 4-9 mm wide. Leaf-blade surface glabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open; linear; dense; 5-20 cm long. Primary panicle branches bearing spikelets almost to the base. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 4-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 0.5-0.75 length of lemma.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 4-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 0.5-0.75 length of lemma.
    Glume
    Glumes persistent; similar; reaching apex of florets; firmer than fertile lemma. Lower glume lanceolate; 4-6 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein smooth, or scaberulous. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 1 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume primary vein smooth, or scaberulous. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 4-6 mm long; membranous; without keel; 5 -veined. Lemma surface asperulous. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0-0.1 way up back of lemma; geniculate; 1-3 mm long overall; with twisted column. Palea 1 length of lemma. Rhachilla extension 1 mm long; pilose.
    Flowers
    Lodicules 2. Anthers 3; 1.5 mm long; dehiscent by a longitudinal slit. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    Europe: northern, central, southwestern, southeastern, and eastern.
    Reference
    Aveneae. Fl Eur 1995.

    Distribution

    Native to:

    Albania, Austria, Corse, Czechoslovakia, France, Germany, Greece, Hungary, Italy, Poland, Romania, Sardegna, Sweden, Switzerland, Ukraine, Yugoslavia

    Extinct in:

    Belgium

    Calamagrostis varia (Schrad.) Host appears in other Kew resources:

    First published in Icon. Descr. Gram. Austriac. 4: 27 (1809)

    Accepted by

    • Meyer, F.K. (2011). Beiträge zur Flora von Albanien Haussknechtia, Beih. 15: 1-220.
    • Barina, Z. & Pifkó, D. (2011). Contributions to the flora of Albania, 2 Willdenowia 41: 139-149.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    Literature

    Kew Backbone Distributions
    • Barina, Z. & Pifkó, D. (2011). Contributions to the flora of Albania, 2 Willdenowia 41: 139-149.
    • 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 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