1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida hintonii Hitchc.

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 60-130 cm long. Leaf-sheaths glabrous on surface, or pilose. Ligule a fringe of hairs. Leaf-blades flat, or involute; 25-50 cm long; 3-4 mm wide. Leaf-blade surface glabrous; hairless except near base. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic; 20-40 cm long; with spikelets clustered towards branch tips. Primary panicle branches 10-15 cm long. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 7-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent; obtuse.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 7-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent; obtuse.
    Glume
    Glumes similar; reaching apex of florets, or exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 3.5-6.5 mm long; 0.5-0.75 length of upper glume; membranous; purple; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex attenuate. Upper glume lanceolate; 7-8.5 mm long; 1-1.4 length of adjacent fertile lemma; membranous; purple; 1 -veined. Upper glume primary vein smooth. Upper glume lateral veins absent. Upper glume apex attenuate.
    Florets
    Fertile lemma linear; subterete; 5-9 mm long; coriaceous; purple; without keel; 3 -veined. Lemma margins convolute; covering most of palea. Lemma apex awned; 3 -awned. Principal lemma awn 3-branched; with 7-10 mm long limb; with twisted column. Column of lemma awn 5-6 mm long. Lateral lemma awns 1-2 mm long; shorter than principal.
    Flowers
    Anthers 3.
    Distribution
    North America: Mexico.
    Reference
    Aristideae. Fl Nov Gal 1994.

    Images

    Distribution

    Native to:

    Mexico Central, Mexico Northeast, Mexico Southwest

    Aristida hintonii Hitchc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hinton, G.B. [1729], México State K000465933 Unknown type material
    Hinton, G.B. [1729], México State K000465790 isotype
    Hinton, G.B. [1729], México State K000465789 isotype
    Hinton, G.B. [1873], México State K000465791 paratype
    Hinton, G.B. [1873], México State K000465792
    Hinton, G.B. [9389], México State K000465786
    Hinton, G.B. [6571], México State K000465787
    Hinton, G.B. [6567], México State K000465788
    Hinton, G.B. [2169], México State K000465785

    First published in N.L.Britton & al. (eds.), N. Amer. Fl. 17: 382 (1935)

    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.

    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.

    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