1. Family: Poaceae Barnhart
    1. Genus: Cleistogenes Keng
      1. Cleistogenes hackelii (Honda) Honda

        This species is accepted, and its native range is S. Russian Far East to China and Japan.

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short; knotty. Culms erect; 30-100 cm long; 0.5-1.2 mm diam.; 6-9 -noded. Leaves basal and cauline. Ligule a ciliolate membrane; 0.3-0.5 mm long. Leaf-blades 3-15 cm long; 3-10 mm wide.
    Inflorescences
    Inflorescence composed of racemes. Racemes 2-3; borne along a central axis; unilateral; 1.5-3.5 cm long. Central inflorescence axis 4-8 cm long. Spikelet packing lax. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong.
    Spikelets
    Spikelets comprising 2-5 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 5-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pubescent; hairy at tip. Floret callus pubescent.
    Fertile
    Spikelets comprising 2-5 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 5-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pubescent; hairy at tip. Floret callus pubescent.
    Glume
    Glumes persistent; dissimilar; shorter than spikelet. Lower glume lanceolate; 0.7-2 mm long; 0.5-0.66 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume ovate; 1.5-3 mm long; 0.33-0.5 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 4-6 mm long; membranous; keeled; 5 -veined. Lemma margins ciliate; hairy below. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn from a sinus; 2-9 mm long overall. Palea 1 length of lemma; 2 -veined. Palea keels scabrous. Palea apex entire, or dentate; 2 -fid. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; cuneate; fleshy. Anthers 3; 1.5-2 mm long.
    Fruits
    Caryopsis with adherent pericarp; lanceolate.
    Cleistogene
    Cleistogenes present; in upper sheaths.
    Distribution
    Asia-temperate: China and eastern Asia.
    Reference
    Eragrostideae. Koyama.

    Images

    Distribution

    Native to:

    China North-Central, China South-Central, China Southeast, Inner Mongolia, Japan, Korea, Manchuria, Primorye, Qinghai

    Cleistogenes hackelii (Honda) Honda appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2001 Maximowicz, C.J. [s.n.], Japan Kengia hackelii K000899935 syntype
    Taquet, T. [1906], South Korea Kengia hackelii subsp. nakaii K000899936
    Taquet, T. [1906], South Korea Kengia hackelii subsp. nakaii K000899937

    First published in Bot. Mag. (Tokyo) 50: 437 (1936)

    Accepted by

    • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
    • 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.
    • Probatova, N.S. & al. (2006). Flora Rossi?skogo Dal'nego Vostoka. Dopolneniya i izmeneniya k izdaniyu Sosudistye rasteniya sovetskogo Dal'nego Vostoka t. 1-8 (1985-1996): 1-454. Russian academy of sciences Far Eastern branch.
    • Lee, W.T. (1996). Lineamenta Florae Koreae: 1-1688. Soul T'ukpyolsi: Ak'ademi Sojok.
    • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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