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

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

    [GB]
    Habit
    Annual. Culms erect; slender; 15-20 cm long. Culm-internodes smooth; distally glabrous. Leaf-sheaths striately veined; glabrous on surface. Ligule a fringe of hairs. Leaf-blades curved; filiform, or linear; convolute; 2-7 cm long. Leaf-blade surface smooth; glabrous.
    Inflorescences
    Inflorescence a panicle; comprising 4-6 fertile spikelets. Panicle open; lanceolate; 3-6 cm long; bearing few spikelets. Primary panicle branches appressed; 0.8-0.9 cm long; bearing 1-2 fertile spikelets on each lower branch. Panicle branches glabrous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 1-6 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; subterete; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus brief; pubescent; acute.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; subterete; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus brief; pubescent; acute.
    Glume
    Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma. Lower glume linear; 2.5-3 mm long; 0.66-0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume linear; 3.5-4.5 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acuminate.
    Florets
    Fertile lemma linear; subterete; 3.5-4 mm long; coriaceous; without keel; 3 -veined. Lemma margins involute; covering most of palea. Lemma apex acute; awned; 1 -awned. Principal lemma awn curved; with 20 mm long limb.
    Distribution
    Africa: western Indian ocean.
    Reference
    Aristideae. Camus 2007.

    Distribution

    Native to:

    Madagascar

    Aristida decaryana A.Camus appears in other Kew resources:

    First published in Bull. Soc. Bot. France 105: 246 (1958)

    Accepted by

    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    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