1. Family: Poaceae Barnhart
    1. Genus: Isachne R.Br.
      1. Isachne hoi Keng f.

        This species is accepted, and its native range is China (Guangdong, Hunan, Zhejiang).

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths glabrous, or pilose. Culms decumbent; 45-85 cm long; rooting from lower nodes. Culm-internodes 3-15 cm long; distally glabrous. Culm-nodes glabrous. Lateral branches lacking, or sparse. Leaf-sheaths 2-7 cm long; mostly shorter than adjacent culm internode; glabrous on surface; outer margin hairy. Leaf-sheath oral hairs ciliate. Ligule a fringe of hairs; 2 mm long. Leaf-blade base broadly rounded. Leaf-blades lanceolate; 4.5-13.5 cm long; 8-18 mm wide. Leaf-blade midrib indistinct. Leaf-blade surface scabrous; pubescent; hairy on both sides; with tubercle-based hairs. Leaf-blade margins cartilaginous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle; terminal, or terminal and axillary. Panicle open; ovate; effuse; 10-20 cm long; 10-15 cm wide. Primary panicle branches 1 -nate; 8-10 cm long. Panicle axis glandular; scaberulous. Panicle branches straight, or flexuous; glandular; scaberulous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume ovate; 2 mm long; 1.1-1.3 length of spikelet; herbaceous; much thinner on margins; mid-green and purple; without keels; 7-9 -veined. Lower glume surface pubescent; hairy above. Lower glume apex obtuse. Upper glume ovate; 2 mm long; 1.1-1.3 length of spikelet; herbaceous; with hyaline margins; mid-green and purple; without keels; 7-9 -veined. Upper glume surface pubescent; hairy above. Upper glume apex obtuse.
    Florets
    Fertile florets alike but female above. Fertile lemma orbicular; 1.5-1.8 mm long; cartilaginous; light brown; without keel. Lemma surface puberulous. Lemma margins involute. Lemma apex obtuse. Palea cartilaginous.
    Flowers
    Anthers 3; 1 mm long; brown.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid, or orbicular; laterally compressed; 1.2 mm long; dark brown.
    Distribution
    Asia-temperate: China.
    Reference
    Isachneae. Keng 1996.

    Distribution

    Native to:

    China Southeast

    Isachne hoi Keng f. appears in other Kew resources:

    First published in Acta Phytotax. Sin. 10: 11 (1965)

    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