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  1. Family: Poaceae Barnhart
    1. Genus: Urochloa P.Beauv.
      1. Urochloa meziana (Hitchc.) Morrone & Zuloaga

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

    [GB]
    Habit
    Perennial. Rhizomes elongated; knotty. Culms geniculately ascending; 10-35 cm long; rooting from lower nodes. Leaf-sheaths glabrous on surface, or pilose. Ligule a fringe of hairs; 1 mm long. Leaf-blades lanceolate; 5-10 cm long; 5-10 mm wide. Leaf-blade surface pilose; sparsely hairy; hairy on both sides. Leaf-blade margins tuberculate-ciliate; hairy at base.
    Inflorescences
    Inflorescence composed of racemes. Racemes 2-10; borne along a central axis; unilateral; 1-3 cm long. Central inflorescence axis 2-5 cm long. Rhachis narrowly winged; angular. Spikelet packing adaxial; irregular. Spikelets solitary, or in pairs. Fertile spikelets pedicelled. Pedicels oblong; 0.5 mm long; ciliate.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; compressed slightly; acute; 2.7-3.3 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; compressed slightly; acute; 2.7-3.3 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; clasping; 1.3-1.6 mm long; 0.5 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume apex acute.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; acute. Fertile lemma ovate; 2-2.5 mm long; indurate; without keel. Lemma surface rugose. Lemma margins involute. Lemma apex acute; mucronate. Principal lemma awn 0.2-0.5 mm long overall. Palea involute; indurate; without keels. Palea surface rugose.
    Distribution
    North America: Mexico.
    Reference
    Paniceae. Fl Nov Gal.

    Distribution

    Native to:

    Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southwest

    Synonyms

    Other Data

    Urochloa meziana (Hitchc.) Morrone & Zuloaga appears in other Kew resources:

    Bibliography

    First published in Darwiniana 32: 68 (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 meziana.]

    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