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  1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus pinetorum Weakley & P.M.Peterson

        This species is accepted, and its native range is North Carolina to Georgia.

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths indurate; glossy. Culms erect; 30-80 cm long; 1-3 mm diam. Culm-internodes elliptical in section; distally glabrous. Leaf-sheaths glabrous on surface to pubescent. Leaf-sheath oral hairs ciliate; 2-4 mm long. Ligule a fringe of hairs; 2-4 mm long. Leaf-blades flat, or conduplicate, or involute; 40-50 cm long; 1.5-2(-3) mm wide; dark green. Leaf-blade surface glabrous; hairless throughout, or except near base. Leaf-blade margins scaberulous.
    Inflorescences
    Inflorescence a panicle. Panicle open, or contracted; ovate, or pyramidal; 15-30 cm long; 2-6 cm wide. Primary panicle branches ascending, or spreading; 2-8 cm long. Panicle axis scaberulous. Panicle branches glabrous in axils, or pubescent in axils. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 2-22 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 3.5-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 3.5-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; reaching apex of florets. Lower glume lanceolate; 2.4-4.5 mm long; 0.6-0.8 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 3.5-6.5 mm long; 1-1.5 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute, or acuminate.
    Florets
    Fertile lemma lanceolate, or ovate; 3.4-4.3 mm long; membranous; without keel; 1 -veined. Lemma surface glabrous. Lemma apex acute. Palea ovate; 3.4-4.4 mm long; 1 length of lemma; 2 -veined. Palea keels approximate. Palea surface glabrous. Palea apex entire, or dentate; 2 -fid; truncate, or obtuse.
    Flowers
    Anthers 3; 2.5-3.4 mm long; purple.
    Fruits
    Caryopsis with free soft pericarp; fusiform; 1.8-2.2 mm long.
    Distribution
    North America: southeast USA.
    Reference
    Eragrostideae. Weak. & Pet. 1999.

    Distribution

    Native to:

    Georgia, North Carolina, South Carolina

    Other Data

    Sporobolus pinetorum Weakley & P.M.Peterson appears in other Kew resources:

    Bibliography

    First published in Sida 18: 258 (1998)

    Accepted by

    • 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

    • 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

    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