1. Family: Poaceae Barnhart
    1. Genus: Polypogon Desf.
      1. Polypogon ivanovae Tzvelev

        This species is accepted, and its native range is NW. China.

    [GB]
    Habit
    Perennial; caespitose; clumped loosely. Culms geniculately ascending; 8-20 cm long. Culm-internodes smooth; distally glabrous. Ligule a ciliolate membrane; 2-4.5 mm long; scaberulous on abaxial surface. Leaf-blades flat, or conduplicate; 3-20 cm long; 0.8-2.5 mm wide. Leaf-blade surface scaberulous; rough on both sides.
    Inflorescences
    Inflorescence a panicle. Peduncle scaberulous above. Panicle contracted; linear; 2.5-7 cm long; 0.5-1.5 cm wide. Primary panicle branches 4 cm long. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.7-2.5 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 2.2-2.8 mm long; falling entire; deciduous with the pedicel.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 2.2-2.8 mm long; falling entire; deciduous with the pedicel.
    Glume
    Glumes similar; exceeding apex of florets; firmer than fertile lemma. Lower glume oblong; 2.2-2.8 mm long; 1 length of upper glume; membranous; 1-keeled; keeled above; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume surface scabrous. Lower glume apex obtuse; awned; 1 -awned. Lower glume awn 0.5-2 mm long. Upper glume oblong; 2.2-2.8 mm long; 2 length of adjacent fertile lemma; membranous; 1-keeled; keeled above; 1 -veined. Upper glume primary vein scabrous. Upper glume lateral veins absent. Upper glume surface scabrous. Upper glume apex obtuse; awned; 1 -awned. Upper glume awn 0.5-2 mm long.
    Florets
    Fertile lemma ovate; 1.4-1.7 mm long; hyaline; without keel; 5 -veined. Lemma lateral veins obscure. Lemma surface smooth; glabrous. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn from a sinus; straight, or curved; 2.3-3.5 mm long overall. Palea 0.66 length of lemma; hyaline; 2 -veined.
    Flowers
    Anthers 3; 0.2-0.8 mm long.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    Asia-temperate: China.
    Reference
    Aveneae. Tsvelev 2001.

    Distribution

    Native to:

    Xinjiang

    Polypogon ivanovae Tzvelev appears in other Kew resources:

    First published in Trudy Bot. Inst. Akad. Nauk S.S.S.R., Rast. Tsentral. Azii 4: 7 (1968)

    Accepted by

    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

    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