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  1. Family: Poaceae Barnhart
    1. Genus: Urochloa P.Beauv.
      1. Urochloa ophryodes (Chase) Morrone & Zuloaga

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

    [GB]
    Habit
    Perennial. Culms geniculately ascending; 15-25 cm long; rooting from lower nodes. Leaf-sheaths pilose. Ligule a ciliolate membrane; 0.5 mm long. Leaf-blades 5-20 cm long; 3-6 mm wide. Leaf-blade surface pilose; hairy on both sides; with tubercle-based hairs. Leaf-blade margins cartilaginous; scabrous; tuberculate-ciliate; hairy at base. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 2-4; borne along a central axis; unilateral; 3-4 cm long. Central inflorescence axis 1-2 cm long. Rhachis wingless; angular. Spikelet packing adaxial; regular; 2 -rowed. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong; 0.5 mm long; bearing a few hairs.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; compressed slightly; acuminate; 4 mm long; 2 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; compressed slightly; acuminate; 4 mm long; 2 mm wide; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.5 length of spikelet; membranous; without keels; 3 -veined. Lower glume surface pubescent; hairy below. Lower glume apex acuminate. Upper glume ovate; 1 length of spikelet; membranous; without keels; 7 -veined. Upper glume surface villous; hairy between veins (outer). Upper glume margins villous. Upper glume hairs 1 mm long. Upper glume apex acuminate.
    Florets
    Basal sterile florets male, or barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; pilose; hairy between veins but central interspaces glabrous; ciliate on margins; acuminate. Fertile lemma elliptic; 2.5 mm long; 1.5 mm wide; indurate; without keel. Lemma surface rugose. Lemma margins involute. Lemma apex obtuse; mucronate. Principal lemma awn 1 mm long overall; limb puberulous. Palea involute; indurate; without keels. Palea surface rugose.
    Distribution
    North America: Mexico.
    Reference
    Paniceae. Chase.

    Images

    Distribution

    Native to:

    Mexico Northeast

    Synonyms

    Other Data

    Urochloa ophryodes (Chase) Morrone & Zuloaga appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hitchcock, A.S. [5538], Mexico Brachiaria ophryodes K000309368 isotype

    Bibliography

    First published in Darwiniana 32: 71 (1993)

    Not 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. [Cited as Brachiaria ophryodes.]

    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