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  1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus alterniflorus (Loisel.) P.M.Peterson & Saarela

        This species is accepted, and its native range is E. Canada to E. Mexico, Lesser Antilles to Argentina.

    [GB]
    Habit
    Perennial. Rhizomes elongated; fleshy. Culms erect; 40-100 cm long. Leaf-sheaths without keel. Ligule a fringe of hairs; 1-1.8 mm long. Leaf-blades persistent; 10-40 cm long; 5-10 mm wide. Leaf-blade surface ribbed. Leaf-blade apex acuminate; hardened.
    Inflorescences
    Inflorescence composed of racemes. Racemes 5-13; digitate, or borne along a central axis; erect; unilateral; 10-20 cm long. Central inflorescence axis 1-5 cm long. Rhachis angular; smooth on margins; terminating in a barren extension; extension bristle-like; extension 15-27 mm long. Spikelet packing broadside to rhachis; regular; 2 -rowed. Spikelets appressed; solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or oblong; laterally compressed; compressed strongly; 10-15 mm long; falling entire.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or oblong; laterally compressed; compressed strongly; 10-15 mm long; falling entire.
    Glume
    Glumes dissimilar; exceeding apex of florets. Lower glume linear; 0.66 length of upper glume; membranous; 1-keeled; 1-3 -veined. Lower glume primary vein scaberulous. Lower glume surface glabrous. Lower glume apex acute. Upper glume lanceolate; 10-15 mm long; 1.1 length of adjacent fertile lemma; herbaceous; with membranous margins; 1-keeled; 5-9 -veined. Upper glume primary vein scabrous. Upper glume surface glabrous. Upper glume apex acute.
    Florets
    Fertile lemma ovate; 8-12 mm long; herbaceous; much thinner on margins; keeled; 1-5 -veined. Lemma surface glabrous. Lemma apex acute. Palea 1.1 length of lemma; 2 -veined.
    Flowers
    Lodicules absent. Anthers 3; 5-6 mm long. Stigmas protogynous; terminally exserted; pubescent.
    Fruits
    Caryopsis with tardily free pericarp; linear. Hilum punctiform.
    Distribution
    Europe: northern and southwestern. Asia-temperate: China. Australasia: New Zealand. North America: eastern Canada, northeast USA, south-central USA, and southeast USA. South America: Caribbean, northern South America, Brazil, and southern South America.
    Reference
    Cynodonteae. CEH.

    Images

    Distribution

    Native to:

    Alabama, Argentina Northeast, Argentina South, Brazil South, Brazil Southeast, Connecticut, Delaware, Florida, French Guiana, Georgia, Guyana, Labrador, Leeward Is., Louisiana, Maine, Maryland, Masachusettes, Mexico Gulf, Mexico Northeast, Mississippi, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, North Carolina, Nova Scotia, Prince Edward I., Québec, Rhode I., South Carolina, Suriname, Texas, Trinidad-Tobago, Uruguay, Venezuela, Virginia

    Introduced into:

    California, China North-Central, China Southeast, France, Great Britain, India, New Zealand North, Oregon, Spain, Taiwan, Washington

    Synonyms

    Other Data

    Sporobolus alterniflorus (Loisel.) P.M.Peterson & Saarela appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Clayton, W.D. [4765], Brazil Spartina alterniflora K001075706
    Clayton, W.D. [4684], Brazil Spartina alterniflora K001075707
    Clayton, W.D. [4720], Brazil Spartina alterniflora K001075708
    Clayton, W.D. [4683], Brazil Spartina alterniflora K001075709
    Silva, J.M. [572], Brazil Spartina alterniflora K001075715
    Gardner, G. [6110], Brazil Spartina alterniflora K001075719
    Araujo, D. [1444], Brazil Spartina alterniflora K001075705
    Araujo, D. [1368], Brazil Spartina alterniflora K001075711
    Glaziou, A.F.M. [4297], Brazil Spartina alterniflora K001075710
    Glaziou, A.F.M. [22412], Brazil Spartina alterniflora K001075718
    Hatschbach, G.G. [21401], Brazil Spartina alterniflora K001075717
    Hatschbach, G.G. [20865], Brazil Spartina alterniflora K001075716

    Bibliography

    First published in Taxon 63: 1236 (2014)

    Accepted by

    • Govaerts, R. (2019). World Checklist of Vascular Plants (WCVP Database) The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions

    • del Rocío Nieto-Silva, G. & al. (2015). Taxonomía y distribución del género Spartina (Poaceae) en México Botanical Sciences 93: 829-843.
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Saarela, J.M. (2012). Taxonomic synopsis of invasive and native Spartina (Poaceae, Chloridoideae) in the Pacific Northwest (British Columbia, Washington, Oregon), including the first report of Spartina ×townsendii for British Columbia, Canada PhytoKeys 10: 25-82.
    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • 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.
    • Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    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 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