1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum gardneri Thwaites

        This species is accepted, and its native range is India, Sri Lanka.

    [GB]
    Habit
    Perennial. Culms rambling; 150-200 cm long (long); rooting from lower nodes. Culm-internodes distally glabrous, or pubescent. Culm-nodes glabrous. Leaf-sheaths keeled; glabrous on surface, or hirsute; with tubercle-based hairs; outer margin hairy. Leaf-sheath oral hairs ciliate. Ligule a ciliolate membrane; 0.2-0.4 mm long. Collar glabrous. Leaf-blade base broadly rounded, or cordate. Leaf-blades lanceolate; 2.5-15 cm long; 5-22 mm wide. Leaf-blade margins scaberulous; glabrous, or ciliate; hairy at base. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 4-18 cm long. Primary panicle branches ascending, or spreading. Panicle branches pubescent (hairs 1,5-2.5mm); glabrous in axils. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 4-5 mm long; falling entire. Rhachilla internodes elongated between glumes. Rhachilla elongation stout; 0.5 mm long.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 4-5 mm long; falling entire. Rhachilla internodes elongated between glumes. Rhachilla elongation stout; 0.5 mm long.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate, or ovate; 3.1-3.8 mm long; 0.8 length of spikelet; membranous; much thinner on margins; without keels; 3-5 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; with hyaline margins; without keels; 5-9 -veined. Upper glume surface glabrous, or pubescent; hairy above. Upper glume apex acute.
    Florets
    Basal sterile florets male, or barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 7-9 -veined; acute. Palea of lower sterile floret 1 length of lemma. Fertile lemma elliptic; dorsally compressed; 2.9-3.5 mm long; indurate; dark brown; shiny; without keel. Lemma margins involute. Lemma apex acute. Palea involute; indurate.
    Flowers
    Anthers 3; 2-2.5 mm long. Stigmas purple.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 2.2 mm long.
    Distribution
    Asia-tropical: India.
    Reference
    Paniceae. Fl Ceyl 1993.

    Images

    Distribution

    Native to:

    India, Sri Lanka

    Panicum gardneri Thwaites appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1986 Thwaites, G. H. K. [894], Sri Lanka K000674363
    Jan 1, 1986 Thwaites, G. H. K. [894], Sri Lanka K000245232

    First published in Enum. Pl. Zeyl.: 359 (1864)

    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.
    • Dassanayake (ed.) (1994). A Revised Handbook to the Flora of Ceylon 8: 1-458. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.

    Literature

    Kew Backbone Distributions
    • Dassanayake (ed.) (1994). A Revised Handbook to the Flora of Ceylon 8: 1-458. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.

    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