1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum longiloreum M.M.Rahman

        This species is accepted, and its native range is Indo-China.

    [GB]
    Habit
    Perennial. Culms prostrate (floating); 100-250 cm long; spongy; rooting from lower nodes. Culm-internodes distally glabrous. Culm-nodes glabrous. Leaf-sheaths loose; longer than adjacent culm internode; glabrous on surface. Ligule a ciliate membrane; 2-2.5 mm long. Leaf-blades 10-35 cm long; 5-7 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong; 25-35 cm long; 3-6 cm wide. Primary panicle branches appressed, or ascending; 10-20 cm long. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels scaberulous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or ovate; dorsally compressed; acute; 2.2-2.5 mm long; 0.8-1 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or ovate; dorsally compressed; acute; 2.2-2.5 mm long; 0.8-1 mm wide; falling entire.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma. Lower glume oblate; clasping; 0.2-0.5 mm long; 0.1-0.25 length of spikelet; hyaline; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex truncate. Upper glume ovate; 1 length of spikelet; membranous; without keels; 7-9 -veined. Upper glume lateral veins with cross-veins. 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; 9 -veined; with cross-veins; acute. Fertile lemma elliptic; dorsally compressed; 1.7 mm long; 0.8-0.9 mm wide; indurate; yellow, or light brown; shiny; without keel; 7 -veined. Lemma surface smooth. Lemma margins involute. Lemma apex acute. Palea involute; indurate.
    Flowers
    Anthers 3.
    Distribution
    Asia-tropical: Indo-China.
    Reference
    Paniceae. Rahman 2001.

    Images

    Distribution

    Native to:

    Thailand, Vietnam

    Panicum longiloreum M.M.Rahman appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    May 5, 1987 Kerr, A.F.G. [19709], Thailand K000290302 holotype
    Kerr, A.F.G. [19709], Thailand K000290301 isotype

    First published in Kew Bull. 44: 485 (1989)

    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
    • H?, P.-H. (2000). Câyc? Vi?tnam. An Illustrated flora of Vietnam, ed. 2, 3: 1-1020. Pham-hoang Ho, Montréal.

    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