1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum assurgens Renvoize

        This species is accepted, and its native range is Venezuela to NE. Brazil.

    [GB]
    Habit
    Perennial. Culms arching; 100-200 cm long. Culm-internodes 4-10 cm long; distally glabrous. Culm-nodes constricted; glabrous. Leaf-sheaths 3-7 cm long; striately veined; hispid; outer margin hairy. Ligule a ciliolate membrane; 0.3 mm long. Leaf-blades linear, or lanceolate; 8-12 cm long; 7-10 mm wide. Leaf-blade surface hispid; sparsely hairy. Leaf-blade margins scabrous. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; effuse; 12-15 cm long; 7-10 cm wide. Primary panicle branches whorled at lower nodes. Panicle branches flexuous; eglandular; glabrous; glabrous in axils. Spikelets solitary. Fertile spikelets pedicelled. Pedicels glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 3.3 mm long; 1.2 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 3.3 mm long; 1.2 mm wide; falling entire.
    Glume
    Glumes similar; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate, or ovate; not clasping; 2.1-2.7 mm long; 0.75-0.8 length of spikelet; membranous; without keels; 3 -veined. Lower glume lateral veins transversely connected at apex. Lower glume apex acute. Upper glume elliptic; 0.8 length of spikelet; membranous; without keels; 9 -veined. Upper glume surface glabrous to pubescent. Upper glume apex acute.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 9 -veined; glabrous, or pubescent; acute. Palea of lower sterile floret 0.66 length of lemma. Fertile lemma elliptic; dorsally compressed; 2.7 mm long; 1 mm wide; indurate; without keel. Lemma surface papillose. Lemma margins involute. Lemma apex acute; pubescent. Palea involute; indurate.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 2.1 mm long.
    Distribution
    South America: Brazil.
    Reference
    Paniceae. Zuloaga 1994.

    Images

    Distribution

    Native to:

    Brazil Northeast, Venezuela

    Panicum assurgens Renvoize appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Harley, R.M. [15229], Bahia K000003501 isotype

    First published in Kew Bull. 37: 325 (1982)

    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.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.

    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 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