1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida ambongensis A.Camus

        This species is accepted, and its native range is Madagascar.

    [GB]
    Habit
    Perennial; caespitose; clumped loosely. Culms erect, or geniculately ascending; 40-75 cm long. Culm-internodes distally glabrous. Culm-nodes glabrous. Lateral branches sparse. Ligule a fringe of hairs. Leaf-blades filiform; convolute; 15-20 cm long; 1-3 mm wide. Leaf-blade surface glabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open; linear; 10-15 cm long; 1 cm wide. Primary panicle branches appressed; 1-3 -nate. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; 2-3 mm long; pubescent; pungent.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; 2-3 mm long; pubescent; pungent.
    Glume
    Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 15-17 mm long; 0.9 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 17-19 mm long; 2 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acuminate.
    Florets
    Fertile lemma lanceolate; subterete; 0-10 mm long; coriaceous; without keel; 3 -veined. Lemma margins involute; covering most of palea. Lemma apex acute; awned; 3 -awned. Principal lemma awn 3-branched; with 35-45 mm long limb; with twisted column; deciduous; abscissing from top of lemma. Column of lemma awn 8-13 mm long. Lateral lemma awns 30-35 mm long; shorter than principal. Palea 0.1 length of lemma; without keels.
    Flowers
    Anthers 3.
    Distribution
    Africa: western Indian ocean.
    Reference
    Aristideae. Gr Madag 1997.

    Distribution

    Native to:

    Madagascar

    Aristida ambongensis A.Camus appears in other Kew resources:

    First published in Bull. Soc. Bot. France 73: 435 (1926)

    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.
    • Bosser, J. (1969). Gramiées des pasturages et des cultures a Madagascar: 1-440. ORSTOM, Paris.

    Literature

    Kew Backbone Distributions
    • Bosser, J. (1969). Gramiées des pasturages et des cultures a Madagascar: 1-440. ORSTOM, Paris.

    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