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  1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus longispicus (Hauman & Parodi ex St.-Yves) P.M.Peterson & Saarela

        This species is accepted, and its native range is Uruguay to NE. Argentina.

    [GB]
    Habit
    Perennial; culms solitary. Rhizomes elongated. Culms erect; 100-200 cm long; spongy, or firm. Leaf-sheath oral hairs lacking. Ligule a fringe of hairs; 1-2 mm long. Leaf-blades 6-10 mm wide. Leaf-blade surface smooth, or scabrous; glabrous. Leaf-blade margins smooth, or scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes; exserted, or embraced at base by subtending leaf. Racemes 4-16; borne along a central axis; appressed; unilateral; 4-18 cm long; bearing 10-35 fertile spikelets on each. Central inflorescence axis 14-45 cm long. Rhachis angular; 1-1.5 mm wide; smooth on margins, or scabrous on margins; glabrous on margins; terminating in a spikelet. Spikelet packing broadside to rhachis; regular; 2 -rowed. Spikelets appressed; solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 12-24 mm long; 1.5-2.5 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 12-24 mm long; 1.5-2.5 mm wide; falling entire.
    Glume
    Glumes dissimilar; exceeding apex of florets. Lower glume linear; 6-12 mm long; 0.5 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein ciliate. Lower glume lateral veins absent. Lower glume surface glabrous, or pilose. Lower glume margins eciliate. Lower glume apex obtuse to acuminate. Upper glume lanceolate; 12-24 mm long; 1.1 length of adjacent fertile lemma; herbaceous; 1-keeled; 1-3 -veined. Upper glume primary vein ciliate. Upper glume surface glabrous, or pilose. Upper glume margins eciliate. Upper glume apex obtuse to acuminate.
    Florets
    Fertile lemma oblong; 10-20 mm long; herbaceous; keeled; 3 -veined. Lemma midvein ciliolate; hairy above. Lemma surface glabrous, or pilose. Lemma apex obtuse to acuminate. Palea 2 -veined.
    Flowers
    Lodicules absent. Anthers 3; 3-7 mm long.
    Distribution
    South America: southern South America.
    Reference
    Cynodonteae. Mobberley 1993.

    Distribution

    Native to:

    Argentina Northeast, Uruguay

    Synonyms

    Other Data

    Sporobolus longispicus (Hauman & Parodi ex St.-Yves) P.M.Peterson & Saarela appears in other Kew resources:

    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

    • 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.

    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