1. Family: Poaceae Barnhart
    1. Genus: Diplachne P.Beauv.
      1. Diplachne fusca (L.) P.Beauv. ex Roem. & Schult.

        This species is accepted, and its native range is Tropical & Subtropical to N. America.

    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Nativa en Colombia; Alt. 0 - 500 m.; Llanura del Caribe, Sierra Nevada de Santa Marta.
    Habit
    Hierba
    Conservation
    No Evaluada
    [GB]
    Habit
    Perennial. Culms decumbent; 60-150 cm long; rooting from lower nodes. Ligule an eciliate membrane; 3-8 mm long; acute. Leaf-blades flat, or convolute; 25-55 cm long; 3-5 mm wide; stiff; mid-green and grey-green. Leaf-blade midrib widened. Leaf-blade surface scabrous. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 10-30; borne along a central axis; erect; straight; unilateral; 7-15 cm long. Central inflorescence axis 15-30 cm long. Rhachis semiterete. Spikelet packing broadside to rhachis; lax. Spikelets solitary. Fertile spikelets pedicelled, or sessile. Pedicels filiform; 0.5-1.5 mm long.
    Spikelets
    Spikelets comprising 6-11 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; compressed slightly; 8-15 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes eventually visible between lemmas. Floret callus evident; pubescent; obtuse; disarticulating obliquely.
    Fertile
    Spikelets comprising 6-11 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; compressed slightly; 8-15 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes eventually visible between lemmas. Floret callus evident; pubescent; obtuse; disarticulating obliquely.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 2.1-4.6 mm long; 0.6-0.7 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex acute, or acuminate. Upper glume oblong; 3.3-7.4 mm long; 1-1.3 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scabrous. Upper glume lateral veins absent. Upper glume apex obtuse, or acute; mucronate.
    Florets
    Fertile lemma oblong; 3.2-5.9 mm long; membranous; dark green, or grey; without keel; 3 -veined. Lemma midvein ciliate; hairy below. Lemma lateral veins close to margins. Lemma margins pilose; hairy below. Lemma apex dentate; 2 -fid; mucronate, or awned; 1 -awned. Principal lemma awn from a sinus; 0.3-1.6 mm long overall. Palea 2 -veined. Palea keels scabrous. Palea surface pubescent; hairy on flanks. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; cuneate; fleshy. Anthers 3; 0.2-2.7 mm long.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; flattened; concavo-convex; 1.6-1.8 mm long.
    Distribution
    Africa: north, west tropical, west-central tropical, northeast tropical, east tropical, southern tropical, south, and western Indian ocean. Asia-temperate: western Asia, Arabia, China, and eastern Asia. Asia-tropical: India, Indo-China, Malesia, and Papuasia. Australasia: Australia. Pacific: southwestern and north-central. North America: northwest USA, north-central USA, northeast USA, southwest USA, south-central USA, southeast USA, and Mexico. South America: Mesoamericana, Caribbean, northern South America, western South America, Brazil, and southern South America.
    Reference
    Eragrostideae. =Diplachne fusca. FTEA.
    [FZ]

    Gramineae, T. Cope. Flora Zambesiaca 10:2. 1999

    Habit
    Aquatic or semi-aquatic rhizomatous perennial up to 200 cm tall, rooting and branching from the lower nodes; ligule a pointed membrane; leaf lamina 25–55 cm × 2–5 mm, tough, linear, involute, greyish-green with a broad white central nerve, tapering to a fine point.
    Inflorescences
    Inflorescence 20–35 cm long, compact and cylindrical at first, later more open; racemes numerous, slender, 7–15 cm long, ± straight.
    Spikelets
    Spikelets 6–11-flowered, 8–15 mm long, narrowly elliptic to elliptic, slightly overlapping; glumes unequal, keeled, the inferior 2–4.5 mm long, lanceolate to narrowly lanceolate, acute or acuminate, the superior 3.3–7.5 mm long, narrowly oblong, acute or obtuse and minutely mucronate; lemmas 3.2–5.9 mm long, narrowly oblong, dorsally rounded, pilose on the nerves below, 2- or more toothed at the apex and mucronate or shortly awned.
    Fruits
    Caryopsis 1.6–1.8 mm long, elliptic-oblong, dorsiventrally flattened.

    Images

    Distribution

    Native to:

    Afghanistan, Alabama, Algeria, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Bahamas, Bangladesh, Belize, Bolivia, Borneo, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Burundi, California, Cambodia, Canary Is., Cape Provinces, Caprivi Strip, Cayman Is., Chad, Chile North, China North-Central, China South-Central, China Southeast, Colombia, Colorado, Connecticut, Costa Rica, Cuba, Delaware, District of Columbia, Djibouti, Dominican Republic, Ecuador, Egypt, Ethiopia, Florida, Free State, Gambia, Gulf States, Hainan, Haiti, Honduras, Idaho, Illinois, India, Indiana, Iowa, Iran, Iraq, Jamaica, Japan, Jawa, Kansas, Kentucky, Kenya, Kuwait, KwaZulu-Natal, Laos, Lebanon-Syria, Leeward Is., Louisiana, Madagascar, Maine, Malawi, Malaya, Mali, Manchuria, Maryland, Masachusettes, Mauritania, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Morocco, Mozambique, Myanmar, Namibia, Nebraska, Netherlands Antilles, Nevada, New Guinea, New Hampshire, New Jersey, New Mexico, New South Wales, New York, Nicaragua, Niger, Nigeria, North Carolina, North Dakota, Northern Provinces, Northern Territory, Ohio, Oklahoma, Ontario, Oregon, Pakistan, Palestine, Paraguay, Pennsylvania, Peru, Philippines, Puerto Rico, Queensland, Québec, Rhode I., Saudi Arabia, Senegal, Somalia, South Australia, South Carolina, South Dakota, Sri Lanka, Sudan, Sumatera, Swaziland, Taiwan, Tanzania, Tennessee, Texas, Thailand, Turks-Caicos Is., Uganda, Utah, Venezuela, Vermont, Victoria, Vietnam, Virginia, Washington, West Virginia, Western Australia, Western Sahara, Windward Is., Wisconsin, Wyoming, Yemen, Zambia, Zaïre, Zimbabwe

    Introduced into:

    Belgium, British Columbia, Chagos Archipelago, Czechoslovakia, Georgia, Germany, Great Britain, Greece, Hawaii, Italy, Korea, Libya, New Zealand North, Spain, Sweden, Tasmania, Uruguay

    Diplachne fusca (L.) P.Beauv. ex Roem. & Schult. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nov 1, 2013 El-Keblawy, A. [1293], United Arab Emirates Leptochloa fusca K000568939
    Jan 1, 1829 Wight, R. [1794], India Leptochloa fusca K000032495 Unknown type material
    Jan 1, 1829 Wight, R. [1871], India Leptochloa fusca K000032496 Unknown type material
    Jan 1, 1829 Wallich, N. [8894], India Leptochloa fusca K000032497 Unknown type material
    Kerr, A.F.G. [20566], Thailand Leptochloa fusca K000621382
    Sorensen, Th. [98], Thailand Leptochloa fusca K000682381
    Sorensen, Th. [2035], Thailand Leptochloa fusca K000682382
    Sorensen, Th. [2035], Thailand Leptochloa fusca K000682383
    Sorensen, Th. [2023], Thailand Leptochloa fusca K000682384
    Sorensen, Th. [2036], Thailand Leptochloa fusca K000682385
    Sorensen, Th. [2036], Thailand Leptochloa fusca K000682386
    Sorensen, Th. [2037], Thailand Leptochloa fusca K000682387
    Sorensen, Th. [2038], Thailand Leptochloa fusca K000682388
    Kotschy [200], Sudan Leptochloa fusca K000366654 isolectotype
    Zeyher [s.n.], South Africa Leptochloa fusca K000366671
    Zeyher [s.n.], South Africa Leptochloa fusca K000366672
    Drege [s.n.], South Africa Leptochloa fusca K000366666
    Drege [s.n], South Africa Leptochloa fusca K000366670
    Drege [s.n.], South Africa Leptochloa fusca K000366673
    Drege [s.n.], South Africa Leptochloa fusca K000366674
    Buchanan [36], South Africa Leptochloa fusca K000366669
    Lazarides, M. [7439], Thailand Leptochloa fusca K000682389
    Wight, R. [1871], India Leptochloa fusca K000899884
    Brown, R. [6253], Australia Leptochloa fusca K000899896
    Brown, R. [s.n.], Australia Leptochloa fusca K000899897
    Mund [s.n.], South Africa Leptochloa fusca K000366667
    Mund [s.n.], South Africa Leptochloa fusca K000366668
    Rehmann [5371], South Africa Leptochloa fusca K000366665
    Wahlberg [s.n.], South Africa Leptochloa fusca K000366675 isotype
    s.coll. [s.n.], India Leptochloa fusca K000899886 Unknown type material
    s.coll. [s.n.], India Leptochloa fusca K000899887
    Trankenb [s.n.], India Leptochloa fusca K000899885

    First published in Syst. Veg., ed. 15 bis 2: 615 (1817)

    Accepted by

    • Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens.

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    Sources

    Catálogo de Plantas y Líquenes de Colombia
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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 2020. 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 2020. 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

    Plants and People Africa
    Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/