1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum urvilleanum Kunth

        This species is accepted, and its native range is SE. California to SW. Arizona and NW. Mexico, Chile to Argentina.

    [GB]
    Habit
    Perennial; culms solitary. Rhizomes elongated. Culms erect; 50-100 cm long. Culm-nodes bearded. Leaf-sheaths hirsute; with reflexed hairs. Ligule a ciliolate membrane. Leaf-blades tapering towards tip; 10-20 cm long; 4-7 mm wide. Leaf-blade surface glabrous, or pubescent. Leaf-blade apex attenuate; filiform.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic; 25-30 cm long. Primary panicle branches ascending. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 6-7 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 6-7 mm long; falling entire.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; clasping; 0.66-1 length of spikelet; membranous; without keels; 7-9 -veined. Lower glume apex acuminate. Upper glume ovate; 1 length of spikelet; membranous; without keels. Upper glume surface villous. Upper glume apex acuminate.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; villous; acute. Fertile lemma elliptic; dorsally compressed; 4-5 mm long; indurate; without keel. Lemma margins involute; ciliate. Lemma apex acute. Palea involute; indurate.
    Distribution
    North America: southwest USA and Mexico. South America: southern South America.
    Reference
    Paniceae. Gr Baja Cal 1994.

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Argentina South, Arizona, California, Chile Central, Chile South, Mexico Northwest

    Panicum urvilleanum Kunth appears in other Kew resources:

    First published in Révis. Gramin. 1: 35 (1829)

    Accepted by

    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • 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
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • 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

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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