1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida hitchcockiana Henrard

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 70 cm long. Culm-internodes terete; striate; scaberulous; distally glabrous, or pubescent. Lateral branches lacking. Leaf-sheaths mostly shorter than adjacent culm internode; striately veined. Leaf-sheath oral hairs bearded. Ligule a fringe of hairs. Leaf-blades flat, or convolute; 15-25 cm long; 1-3 mm wide. Leaf-blade surface scaberulous; rough on both sides. Leaf-blade margins cartilaginous.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 25 cm long; 1 cm wide; bearing few spikelets. Primary panicle branches appressed; 1 -nate; 5-6 cm long; bearing spikelets almost to the base. Panicle axis scabrous. Panicle branches scabrous. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 11 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 0.75 mm long; pubescent; obtuse.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 11 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 0.75 mm long; pubescent; obtuse.
    Glume
    Glumes similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 11 mm long; 1.1 length of upper glume; membranous; light brown, or purple; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume surface smooth, or asperulous. Lower glume apex acute. Upper glume lanceolate; 10 mm long; 1.4 length of adjacent fertile lemma; membranous; light brown, or purple; 1 -veined. Upper glume primary vein smooth. Upper glume lateral veins absent. Upper glume apex erose; truncate; mucronate.
    Florets
    Fertile lemma linear; subterete; 7 mm long; coriaceous; without keel; 3 -veined. Lemma margins convolute; covering most of palea. Lemma apex awned; 3 -awned. Principal lemma awn 3-branched; ascending; with 16-18 mm long limb; with twisted column. Column of lemma awn 3 mm long. Lateral lemma awns spreading less than principal; 9-10 mm long; shorter than principal.
    Flowers
    Anthers 3.
    Distribution
    North America: Mexico.
    Reference
    Aristideae. Henrard 2004.

    Distribution

    Native to:

    Mexico Central, Mexico Northeast, Mexico Southwest

    Aristida hitchcockiana Henrard appears in other Kew resources:

    First published in Meded. Rijks-Herb. 54A: 233 (1927)

    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

    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