1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida floridana (Chapm.) Vasey

        This species is accepted, and its native range is Florida (Key West, Ramrod Key), SE. Mexico.

    [GB]
    Habit
    Perennial. Culms erect; 60 cm long. Lateral branches lacking. Leaf-sheaths glabrous on surface, or pilose. Ligule a fringe of hairs; 0.5 mm long. Leaf-blades involute; 2-3 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; lanceolate; dense; 20-30 cm long. Primary panicle branches ascending; 2-4 cm long; bearing spikelets almost to the base. Panicle axis scabrous. Panicle branches capillary. Spikelets solitary. Fertile spikelets sessile and pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 7-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1 mm long; pubescent; obtuse.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 7-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1 mm long; pubescent; obtuse.
    Glume
    Glumes similar; shorter than spikelet, or reaching apex of florets; thinner than fertile lemma. Lower glume linear; 6-7 mm long; 1 length of upper glume; membranous; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume linear; 6-7 mm long; 0.9-1 length of adjacent fertile lemma; membranous; 1 -veined. Upper glume lateral veins absent. Upper glume apex obtuse.
    Florets
    Fertile lemma linear; subterete; 7 mm long; coriaceous; without keel; 3 -veined. Lemma margins convolute; covering most of palea. Lemma apex awned; 1 -awned. Principal lemma awn curved; ascending; 20 mm long overall; with 20 mm long limb.
    Flowers
    Anthers 3.
    Distribution
    North America: southeast USA.
    Reference
    Aristideae. N Amer Fl 1994.

    Images

    Distribution

    Native to:

    Florida, Mexico Southeast

    Aristida floridana (Chapm.) Vasey appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Blodgett, J.L. [s.n.], Florida K000906127 isotype

    First published in Grass. U.S.: 21 (1883)

    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.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • 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
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • 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

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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