1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum bisulcatum Thunb.

        This species is accepted, and its native range is Assam to Russian Far East and Central Malesia.

    [GB]
    Habit
    Annual. Basal innovations extravaginal. Culms decumbent; 30-50 cm long; compressible, or firm; 3-6 -noded; rooting from lower nodes. Culm-nodes glabrous. Lateral branches ample. Leaf-sheaths glabrous on surface; outer margin hairy. Ligule a ciliolate membrane; 0.5-0.75 mm long. Leaf-blades 2-15 cm long; 4-13 mm wide; light green. Leaf-blade midrib prominent beneath. Leaf-blade surface smooth, or scaberulous. Leaf-blade apex acute, or acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 10-20 cm long; with spikelets clustered towards branch tips. Primary panicle branches spreading; 1-2 -nate; profusely divided. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.4-3 mm long.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or elliptic; dorsally compressed; compressed slightly; acute; 2.4-3 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or elliptic; dorsally compressed; compressed slightly; acute; 2.4-3 mm long; falling entire.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.5 length of spikelet; membranous; without keels; 3-5 -veined. Lower glume apex acute. Upper glume elliptic; 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; elliptic; 1 length of spikelet; membranous; 3-5 -veined; smooth, or scaberulous; acute. Fertile lemma elliptic; dorsally compressed; 2 mm long; indurate; pallid, or light brown; without keel. Lemma surface striate. Lemma margins involute. Lemma apex obtuse, or acute. Palea involute; indurate.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp; oblong; black. Embryo 0.4 length of caryopsis.
    Distribution
    Asia-temperate: Soviet far east, China, and eastern Asia. Asia-tropical: India, Indo-China, and Malesia. Australasia: Australia.
    Reference
    Paniceae. Fl NSW 1993.

    Images

    Distribution

    Native to:

    Assam, China North-Central, China South-Central, China Southeast, Hainan, Japan, Khabarovsk, Korea, Kuril Is., Manchuria, Nansei-shoto, Philippines, Primorye, Sulawesi, Taiwan, Vietnam

    Introduced into:

    Georgia, Pennsylvania, South Carolina

    Panicum bisulcatum Thunb. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mueller, F. [s.n.], Victoria Panicum acroanthum K000674394 Unknown type material
    Wilcox [s.n.], New South Wales Panicum acroanthum K000674393
    s.coll. [s.n.], Japan Panicum acroanthum K000674301
    Mueller, F. W. [s.n.], Victoria Panicum acroanthum K000674395 Unknown type material

    First published in Nova Acta Regiae Soc. Sci. Upsal. 7: 141 (1815)

    Accepted by

    • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • Lee, W.T. (1996). Lineamenta Florae Koreae: 1-1688. Soul T'ukpyolsi: Ak'ademi Sojok.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
    • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
    • Kharkevich, S.S., Probatova, N.S. & Novikov, V.S. (1985). Sosudistye rasteniia sovetskogo Dal’nego Vostoka 1: 1-383. Izd-vo "Nauka," Leningradskoe otd-nie, Leningrad.
    • Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.

    Literature

    Kew Backbone Distributions
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • Lee, W.T. (1996). Lineamenta Florae Koreae: 1-1688. Soul T'ukpyolsi: Ak'ademi Sojok.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
    • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
    • Kharkevich, S.S., Probatova, N.S. & Novikov, V.S. (1985). Sosudistye rasteniia sovetskogo Dal’nego Vostoka 1: 1-383. Izd-vo "Nauka," Leningradskoe otd-nie, Leningrad.
    • Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.
    • Camus, E.G. & Camus, A. in H. Lecomte (1922). Flore Générale de l'indo-Chine 1(3): 193-336.

    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