1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis dmitrievae Tzvelev

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

    [GB]
    Habit
    Perennial; caespitose; clumped loosely. Cataphylls evident. Culms geniculately ascending; 40-80 cm long. Ligule an eciliate membrane. Collar glabrous. Leaf-blades flat, or convolute; 2-6 mm wide; light green and mid-green; discolorous with last colour beneath. Leaf-blade surface scaberulous; rough abaxially; glabrous, or pilose; sparsely hairy; hairy adaxially.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 6-18 cm long. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren 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 1.7-2 mm long; 0.5 length of lemma.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren 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 1.7-2 mm long; 0.5 length of lemma.
    Glume
    Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 4.5-6 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined, or 3 -veined. Lower glume lateral veins absent, or obscure. Lower glume apex acute. Upper glume lanceolate; 4.5-6 mm long; 1.1 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 4 mm long; membranous; without keel; 5 -veined. Lemma lateral veins excurrent. Lemma apex dentate; 2 -fid, or 4 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0.33 way up back of lemma; geniculate; 7-8 mm long overall; with a straight or slightly twisted column. Rhachilla extension pilose.
    Flowers
    Lodicules 2. Anthers 3. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    Asia-temperate: Caucasus.
    Reference
    Aveneae. Tsvelev 2001.

    Distribution

    Native to:

    Transcaucasus

    Calamagrostis dmitrievae Tzvelev appears in other Kew resources:

    First published in Bot. Zhurn. (Moscow & Leningrad) 78(10): 90 (1993)

    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