1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis balkharica P.A.Smirn.

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

    [GB]
    Habit
    Perennial; culms solitary. Stolons present. Butt sheaths persistent and investing base of culm. Basal innovations intravaginal. Culms erect; 50-70 cm long; 3 -noded. Lateral branches lacking. Leaf-sheaths smooth. Ligule an eciliate membrane; 2-5 mm long; entire, or lacerate; truncate, or obtuse. Leaf-blades convolute; 15-25 cm long; 3-5 mm wide. Leaf-blade surface scabrous; glabrous. Leaf-blade margins scabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open; lanceolate; 8-12 cm long. Primary panicle branches 2-4 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 4.5 mm long; 0.66-0.75 length of lemma.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 4.5 mm long; 0.66-0.75 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; 3 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acuminate.
    Florets
    Fertile lemma elliptic, or oblong; 2 mm long; membranous; without keel; 5 -veined. Lemma surface smooth, or asperulous. Lemma apex dentate; 4 -fid; truncate; awned; 1 -awned. Principal lemma awn dorsal; arising 0.66-0.75 way up back of lemma; straight; 3 mm long overall; without a column. Palea 1.2 mm long.
    Flowers
    Lodicules 2; 0.4 mm long. Anthers 3; 1.5 mm long. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 1.2 mm long. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    Asia-temperate: Caucasus.
    Reference
    Aveneae. Smirnov 1995.

    Distribution

    Native to:

    North Caucasus

    Calamagrostis balkharica P.A.Smirn. appears in other Kew resources:

    First published in Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol., n.s., 49(1): 91 (1940)

    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