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  1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis teberdensis Litv.

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

    [GB]
    Habit
    Perennial. Rhizomes elongated. Culms 70-130 cm long; 4-5 -noded. Lateral branches lacking, or sparse. Leaf-sheaths antrorsely scabrous. Ligule an eciliate membrane; 3-6 mm long. Leaf-blades 4-7 mm wide. Leaf-blade surface scabrous. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence a panicle. Peduncle antrorsely scabrous above. Panicle open; oblong; dense; 10-25 cm long. Primary panicle branches 3-7 cm long; bearing spikelets almost to the base. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 6.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 1 length of lemma.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 6.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 1 length of lemma.
    Glume
    Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 1.5 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acuminate.
    Florets
    Fertile lemma lanceolate; 4.5 mm long; membranous; without keel; 5 -veined. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0.33 way up back of lemma; geniculate; 4-5 mm long overall; with a straight or slightly twisted column. Rhachilla extension 1 mm long; pilose.
    Flowers
    Lodicules 2. Anthers 3. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    Asia-temperate: Siberia, Soviet Middle Asia, Caucasus, and Mongolia.
    Reference
    Aveneae. Fl USSR 1995.

    Distribution

    Native to:

    North Caucasus

    Other Data

    Calamagrostis teberdensis Litv. appears in other Kew resources:

    Bibliography

    First published in Spisok Rast. Gerb. Russk. Fl. Bot. Muz. Imp. Akad. Nauk 7: 83 (1911)

    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.

    Literature

    Kew Backbone Distributions

    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.

    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