1. Family: Poaceae Barnhart
    1. Genus: Isachne R.Br.
      1. Isachne vulcanica Merr.

        This species is accepted, and its native range is Philippines (Negros: Mt. Canlaon).

    [GB]
    Habit
    Perennial. Culms decumbent; 10-20 cm long; rooting from lower nodes. Leaves distichous. Leaf-sheaths pilose. Ligule absent. Leaf-blade base broadly rounded. Leaf-blades lanceolate; 1.5-3.5 cm long; 4-8 mm wide; stiff. Leaf-blade surface glabrous, or pilose; sparsely hairy; hairy abaxially. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 3-4 cm long; bearing few spikelets. Primary panicle branches spreading; 1 -nate; simple; 0.5-1 cm long; bearing 2-3 fertile spikelets on each lower branch; bearing spikelets almost to the base. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1.5 mm long.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 3 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 3 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 oblong; 3 mm long; 1 length of spikelet; membranous; without keels; 5 -veined. Lower glume surface puberulous; hairy above. Lower glume apex obtuse. Upper glume oblong; 3 mm long; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface puberulous; hairy above. Upper glume apex obtuse.
    Florets
    Fertile lemma elliptic, or oblong; 2 mm long; coriaceous; without keel. Lemma surface pubescent. Lemma margins involute. Lemma apex obtuse. Palea coriaceous; 2 -veined.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-tropical: Malesia.
    Reference
    Isachneae. Merrill 1994.

    Distribution

    Native to:

    Philippines

    Isachne vulcanica Merr. appears in other Kew resources:

    First published in Philipp. J. Sci., C 5: 169 (1910)

    Not 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. [Cited as Isachne clementis.]

    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