1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus vaginiflorus (Torr. ex A.Gray) Alph.Wood

        This species is accepted, and its native range is Canada to U.S.A.

    [GB]
    Habit
    Annual; caespitose. Culms erect; 15-55(-70) cm long. Ligule a fringe of hairs. Leaf-blades flat, or involute; 4-13 cm long; 1-2 mm wide. Leaf-blade surface glabrous, or pilose.
    Inflorescences
    Inflorescence a panicle; terminal and axillary; subtended by an unspecialized leaf-sheath, or an inflated leaf-sheath; embraced at base by subtending leaf, or enclosed. Panicle contracted; linear; 1-4 cm long; 0.2-0.5 cm wide. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 3-5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 3-5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; similar; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 1.8-4.5 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 1.8-4.5 mm long; 0.7-0.9 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acuminate.
    Florets
    Fertile lemma elliptic; 3-5 mm long; chartaceous; keeled; 1-3 -veined. Lemma surface pubescent. Lemma apex acuminate. Palea 2 -veined. Palea keels approximate.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with free soft pericarp; ellipsoid; 2 mm long.
    Cleistogene
    Cleistogenes present; in upper sheaths.
    Distribution
    North America: eastern Canada, north-central USA, northeast USA, southwest USA, south-central USA, and southeast USA.
    Reference
    Eragrostideae. Gould.

    Images

    Distribution

    Native to:

    Alabama, Arizona, Arkansas, British Columbia, California, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Masachusettes, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Nova Scotia, Ohio, Oklahoma, Ontario, Pennsylvania, Prince Edward I., Québec, Rhode I., South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin

    Introduced into:

    Austria, Colorado, France, Germany, Hungary, Italy, Switzerland, Yugoslavia

    Sporobolus vaginiflorus (Torr. ex A.Gray) Alph.Wood appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Torrey, J. [s.n.], USA K000907248
    Riehl, N. [371], USA K000907251
    Frank, J.C. [s.n.], USA K000907252
    s.coll. [3], USA K000907249
    Moser, C.J. [2832], USA K000907250

    First published in Class-book Bot.: 775 (1861)

    Accepted by

    • Dickoré, W.B. & Springer, S. (2016). Weitere Notizen zur Flora von München Berichte der Bayerischen Botanischen Gesellschaft zur Erforschung der Heimischen Flora 86: 262-276.
    • Ackerfield, J. (2015). Flora of Colorado: 1-818. BRIT Press.
    • 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.

    Literature

    Kew Backbone Distributions
    • (2019). doi: 10.3897/italianbotanist.8.48621 epublication.
    • Dickoré, W.B. & Springer, S. (2016). Weitere Notizen zur Flora von München Berichte der Bayerischen Botanischen Gesellschaft zur Erforschung der Heimischen Flora 86: 262-276.
    • Ackerfield, J. (2015). Flora of Colorado: 1-818. BRIT Press.
    • 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