1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida takeoi Ohwi

        This species is accepted, and its native range is Nansei-shoto.

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Rhizomes short. Culms erect; slender; 40-60 cm long; 0.5-0.7 mm diam.; 3 -noded. Leaf-sheaths tight; mostly shorter than adjacent culm internode; glabrous on surface. Ligule a fringe of hairs. Leaf-blades filiform; involute; 15-20 cm long; 0.3-0.7 mm wide; stiff. Leaf-blade surface scabrous; glabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic; effuse; 15-20 cm long. Primary panicle branches appressed; 1-2 -nate; 5-9 cm long. Panicle axis scabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 11-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent; acute.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 11-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent; acute.
    Glume
    Glumes similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 8-8.5 mm long; 0.75 length of upper glume; chartaceous; 1-keeled; 3 -veined. Lower glume surface asperulous. Lower glume apex acuminate. Upper glume lanceolate; 10-12 mm long; 1.2-1.3 length of adjacent fertile lemma; chartaceous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acuminate.
    Florets
    Fertile lemma linear; subterete; 8-9 mm long; coriaceous; light green; without keel; 3 -veined. Lemma margins convolute; covering most of palea. Lemma apex awned; 3 -awned. Principal lemma awn 3-branched; with 18-20 mm long limb; with twisted column. Column of lemma awn 11-13 mm long. Lateral lemma awns 13-16 mm long; shorter than principal.
    Flowers
    Anthers 3.
    Distribution
    Asia-temperate: eastern Asia.
    Reference
    Aristideae. Gr Japan 1997.

    Distribution

    Native to:

    Nansei-shoto

    Aristida takeoi Ohwi appears in other Kew resources:

    First published in Bot. Mag. (Tokyo) 45: 183 (1931)

    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.
    • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
    • Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.

    Literature

    Kew Backbone Distributions
    • Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.

    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