1. Family: Poaceae Barnhart
    1. Genus: Isachne R.Br.
      1. Isachne carolinensis Ohwi

        This species is accepted, and its native range is Solomon Islands to Caroline Islands.

    [GB]
    Habit
    Annual. Culms prostrate; 15-20 cm long. Culm-nodes pubescent. Lateral branches ample. Leaf-sheaths outer margin hairy. Ligule a fringe of hairs; 2 mm long. Leaf-blades lanceolate; 4-5 cm long; 5-8 mm wide. Leaf-blade surface glabrous, or pilose; sparsely hairy; hairy on both sides; with tubercle-based hairs. Leaf-blade margins unthickened. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 3-5 cm long. Primary panicle branches ascending; bearing 3-10 fertile spikelets on each lower branch. Panicle branches smooth; with scattered hairs. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets ovate; 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 length of upper glume; 1 length of spikelet; membranous; without keels; 7 -veined. Lower glume surface hispid. Lower glume apex obtuse. Upper glume ovate; 2 mm long; 1.1-1.3 length of adjacent fertile lemma; membranous; without keels; 7 -veined. Upper glume surface hispid. Upper glume apex obtuse.
    Florets
    Fertile lemma elliptic, or ovate; 1.5-1.8 mm long; coriaceous; without keel. Lemma margins involute; eciliate. Lemma apex obtuse. Palea coriaceous; 2 -veined.
    Flowers
    Anthers 3.
    Distribution
    Asia-tropical: Papuasia. Pacific: northwestern.
    Reference
    Isachneae. Ohwi 1997.

    Distribution

    Native to:

    Caroline Is., Solomon Is.

    Isachne carolinensis Ohwi appears in other Kew resources:

    First published in Bot. Mag. (Tokyo) 55: 540 (1941)

    Accepted by

    • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
    • 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
    • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.

    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