1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum subhystrix A.Camus

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

    [GB]
    Habit
    Annual. Culms erect; weak; 7-14 cm long. Culm-internodes distally pilose. Lateral branches sparse. Leaf-sheaths pilose. Ligule a ciliolate membrane. Leaf-blades 2-5 cm long; 1-3 mm wide. Leaf-blade surface pilose. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 1-2.5 cm long; bearing few spikelets. Panicle branches pilose. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1.5-2 mm long; scaberulous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; subacute; 1.5 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; subacute; 1.5 mm long; falling entire.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate, or ovate; 1.3-1.4 mm long; 0.9 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface pilose. Lower glume apex acute. Upper glume ovate; 1.5 mm long; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface pilose. Upper glume hairs 0.5-0.7 mm long. Upper glume apex acute.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; pilose; acute. Fertile lemma ovate; dorsally compressed; gibbous; 1 mm long; indurate; pallid; without keel. Lemma surface tuberculate, or striate. Lemma margins involute. Lemma apex acute. Palea involute; indurate.
    Distribution
    Africa: western Indian ocean.
    Reference
    Paniceae. Camus 1994.
    [GB]
    Habit
    Annual. Culms erect, or geniculately ascending; 25-35 cm long. Culm-internodes distally hirsute. Leaf-sheaths hirsute; outer margin hairy. Ligule a fringe of hairs. Leaf-blades linear, or lanceolate; 9-10 cm long; 7-10 mm wide. Leaf-blade surface scaberulous; rough adaxially; pilose; hairy abaxially. Leaf-blade margins scaberulous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 8-10 cm long; 3-5 cm wide. Panicle axis hirsute. Panicle branches flexuous; hirsute. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.3-0.6 mm long; ciliate.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; acute; 1.8-1.9 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes elongated between glumes.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; acute; 1.8-1.9 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes elongated between glumes.
    Glume
    Glumes deciduous; similar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 1.8-1.9 mm long; 1 length of spikelet; membranous; without keels; 3 -veined. Lower glume surface hirsute; with tubercle-based hairs. Lower glume apex acute. Upper glume lanceolate; 1.7 mm long; 0.9 length of spikelet; membranous; without keels; 3-5 -veined. Upper glume surface hirsute; with tubercle-based hairs. Upper glume apex acute.
    Florets
    Basal sterile florets male; with palea; attached to and deciduous with the fertile. Lemma of lower sterile floret oblong; 1.5 mm long; chartaceous; glabrous. Fertile lemma oblong, or ovate; 1 mm long; coriaceous; without keel. Lemma surface rugulose. Lemma margins involute. Lemma apex obtuse. Palea coriaceous; 2 -veined.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Africa: western Indian ocean.
    Reference
    Isachneae. A. Camus 2001.

    Images

    Distribution

    Native to:

    Madagascar

    Panicum subhystrix A.Camus appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Perrier de la Bâthie, J.M.H.A. [12523], Madagascar Isachne hirtissima K000244643 Unknown type material

    First published in Bull. Soc. Bot. France 72: 708 (1925)

    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
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

    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