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

        This species is accepted, and its native range is E. Canada to E. Mexico, Caribbean.

    [GB]
    Habit
    Perennial; culms solitary, or caespitose. Rhizomes elongated; wiry. Culms erect; 100-150 cm long. Leaf-sheath oral hairs lacking. Ligule a fringe of hairs; 0.5 mm long. Leaf-blades involute; 1-5 mm wide. Leaf-blade surface scabrous; rough adaxially; glabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 2-15; borne along a central axis; spreading; unilateral; 1-7 cm long; bearing 10-30 fertile spikelets on each. Central inflorescence axis 3-15 cm long. Rhachis angular; scabrous on margins; glabrous on margins; terminating in a spikelet. Spikelet packing broadside to rhachis; regular; 2 -rowed. Spikelets pectinate; solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear, or lanceolate; laterally compressed; 7-12 mm long; falling entire.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear, or lanceolate; laterally compressed; 7-12 mm long; falling entire.
    Glume
    Glumes dissimilar; exceeding apex of florets. Lower glume linear; 3-8 mm long; 0.33 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein ciliolate. Lower glume lateral veins absent. Lower glume surface glabrous, or puberulous. Lower glume margins ciliolate. Lower glume apex acuminate. Upper glume lanceolate; 7-12 mm long; 1.1 length of adjacent fertile lemma; herbaceous; 1-keeled; 3 -veined. Upper glume primary vein ciliate. Upper glume lateral veins prominent (on one side). Upper glume surface glabrous, or puberulous. Upper glume margins ciliolate. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 6-10 mm long; herbaceous; keeled; 3 -veined. Lemma midvein ciliolate; hairy above. Lemma surface glabrous, or puberulous. Lemma margins eciliate, or ciliolate. Lemma apex obtuse. Palea 2 -veined.
    Flowers
    Lodicules absent. Anthers 3; 3-5 mm long.
    Distribution
    North America: eastern Canada, northeast USA, south-central USA, southeast USA, and Mexico. South America: Caribbean and northern South America.
    Reference
    Cynodonteae. Mobberley 1993.

    Images

    Distribution

    Native to:

    Alabama, Bahamas, Bermuda, Cayman Is., Connecticut, Cuba, Delaware, Dominican Republic, Florida, Georgia, Haiti, Jamaica, Labrador, Leeward Is., Louisiana, Maine, Maryland, Masachusettes, Mexico Gulf, Mexico Northeast, Michigan, Mississippi, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, North Carolina, Nova Scotia, Ontario, Pennsylvania, Prince Edward I., Puerto Rico, Québec, Rhode I., South Carolina, Texas, Virginia, Windward Is.

    Introduced into:

    British Columbia, California, Oregon, Portugal, Spain, Washington

    Sporobolus pumilus (Roth) P.M.Peterson & Saarela appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    s.coll. [s.n.] Spartina patens K000885860

    First published in Taxon 63: 1237 (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.
    • 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.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    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