1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum parviglume Hack.

        This species is accepted, and its native range is S. Mexico to Central America.

    [GB]
    Habit
    Perennial. Rootstock evident. Culms decumbent; 100-120 cm long; 1.5 mm diam.; rooting from lower nodes. Culm-internodes distally pilose; with tubercle-based hairs. Culm-nodes constricted; pubescent. Leaf-sheaths pilose; with tubercle-based hairs; outer margin hairy. Ligule a ciliolate membrane; 0.7-1 mm long. Collar bearded. Leaf-blade base broadly rounded; asymmetrical. Leaf-blades ovate; 8-20 cm long; 15-25 mm wide. Leaf-blade midrib prominent beneath. Leaf-blade surface hispid; sparsely hairy; with tubercle-based hairs. Leaf-blade margins cartilaginous; scabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open; pyramidal; 20 cm long; 10 cm wide. Panicle axis scabrous. Panicle branches scabrous. Spikelets appressed; solitary. Fertile spikelets pedicelled. Pedicels 1-2 length of fertile spikelet; scabrous; bearing a few hairs; hairy at tip.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed strongly; subacute; 2.2-2.5 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed strongly; subacute; 2.2-2.5 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume oblate; 0.3-0.5 mm long; 0.2 length of spikelet; membranous; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume ovate; 2.2-2.3 mm long; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; ovate; 2.2-2.3 mm long; 1 length of spikelet; membranous; 5 -veined; acute. Fertile lemma ovate; dorsally compressed; 2 mm long; indurate; shiny; without keel. Lemma surface striate. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Flowers
    Anthers 3; 1 mm long; yellow.
    Distribution
    North America: Mexico. South America: Mesoamericana.
    Reference
    Paniceae. Fl Costa Rica 1994.

    Distribution

    Native to:

    Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico Gulf, Mexico Southeast, Mexico Southwest

    Panicum parviglume Hack. appears in other Kew resources:

    First published in Oesterr. Bot. Z. 51: 429 (1901)

    Accepted by

    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • 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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    Literature

    Kew Backbone Distributions
    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • 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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    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