1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida patula Chapm. ex Nash

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

    [GB]
    Habit
    Perennial; caespitose. Rhizomes absent, or short. Culms erect; 50-100 cm long. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs ciliate. Ligule a fringe of hairs. Leaf-blades flat, or involute; 25-50 cm long; 2-4 mm wide. Leaf-blade surface scabrous; rough adaxially.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 20-35 cm long; 0.33-0.5 of culm length; with spikelets clustered towards branch tips. Primary panicle branches drooping; 1-2 -nate; rebranched at middle; 10-20 cm long. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 12-15 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1 mm long; pubescent; acute.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 12-15 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1 mm long; pubescent; acute.
    Glume
    Glumes similar; exceeding apex of florets; thinner than fertile lemma. Lower glume linear; 12-15 mm long; 1 length of upper glume; membranous; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex setaceously attenuate. Upper glume linear; 12-15 mm long; 1.2 length of adjacent fertile lemma; membranous; 1 -veined. Upper glume primary vein smooth. Upper glume lateral veins absent. Upper glume apex setaceously attenuate.
    Florets
    Fertile lemma linear; subterete; 10-12 mm long; coriaceous; 3 -veined. Lemma margins convolute; covering most of palea. Lemma apex awned; 3 -awned. Principal lemma awn ascending; with 20-25 mm long limb. Lateral lemma awns ascending; 5-10 mm long; shorter than principal.
    Flowers
    Anthers 3.
    Distribution
    North America: southeast USA.
    Reference
    Aristideae. N Amer Fl 1994.

    Distribution

    Native to:

    Florida

    Aristida patula Chapm. ex Nash appears in other Kew resources:

    First published in Bull. Torrey Bot. Club 23: 98 (1896)

    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.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    Literature

    Kew Backbone Distributions
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    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