1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus heterolepis (A.Gray) A.Gray

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect; slender; 30-70 cm long. Culm-internodes distally glabrous. Lateral branches lacking. Leaf-sheaths without keel; smooth, or antrorsely scabrous. Leaf-sheath oral hairs lacking to ciliate. Ligule a fringe of hairs; 0.1-0.3 mm long. Leaf-blades filiform; conduplicate, or involute; 12-30 cm long; 1-2 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic, or pyramidal; 5-20 cm long; 2-4 cm wide. Primary panicle branches ascending, or spreading; 1-3 -nate. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 4-6 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 4-6 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; exceeding apex of florets; shiny. Lower glume linear; 0.66-0.75 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume ovate; 3.5-5 mm long; 1.1 length of adjacent fertile lemma; membranous; grey; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acuminate to setaceously attenuate.
    Florets
    Fertile lemma ovate; 3.2-4.8 mm long; membranous; grey; without keel; 1 -veined. Lemma apex acute. Palea 1.1 length of lemma; 2 -veined. Palea keels approximate.
    Fruits
    Caryopsis with free brittle pericarp; orbicular; isodiametric (globose); 1.5-1.8 mm long.
    Distribution
    North America: western Canada, eastern Canada, northwest USA, north-central USA, northeast USA, south-central USA, and southeast USA.
    Reference
    Eragrostideae. Gr Tex 1993.

    Images

    Distribution

    Native to:

    Arkansas, Colorado, Connecticut, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Manitoba, Maryland, Masachusettes, Michigan, Minnesota, Missouri, Montana, Nebraska, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Ontario, Pennsylvania, Québec, Saskatchewan, South Dakota, Tennessee, Virginia, Wisconsin, Wyoming

    Sporobolus heterolepis (A.Gray) A.Gray appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Torrey, J. [s.n.], USA K000907256

    First published in Manual: 576 (1848)

    Accepted by

    • Bailey, C. & al. (2015). Guide to the Vascular Plants of Tennessee: 1-813. University of Tennessee 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
    • Bailey, C. & al. (2015). Guide to the Vascular Plants of Tennessee: 1-813. University of Tennessee 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 2018. 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 2018. 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