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

        This species is accepted, and its native range is California to Mexico (Baja California).

    [GB]
    Habit
    Perennial; culms solitary, or caespitose. Rhizomes elongated. Culms erect; 100-150 cm long; spongy; rooting from lower nodes. Leaf-sheath oral hairs ciliate. Ligule a fringe of hairs; 1-2 mm long. Leaf-blades flat, or involute; 3-6 mm wide. Leaf-blade surface glabrous. Leaf-blade margins smooth, or scaberulous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes; exserted, or embraced at base by subtending leaf. Racemes 3-25; borne along a central axis; closely spaced; in a multilateral false spike; appressed; unilateral; 2-8 cm long; bearing 8-30 fertile spikelets on each. Central inflorescence axis 12-25 cm long. Rhachis angular; smooth on margins; glabrous on margins; terminating in a spikelet, or barren extension. 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; 8-25 mm long; falling entire.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 8-25 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets, or exceeding apex of florets. Lower glume linear; 6-12 mm long; 0.5-0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein eciliate, or ciliate. Lower glume lateral veins absent. Lower glume surface glabrous, or pilose. Lower glume apex obtuse to acuminate. Upper glume lanceolate; 8-25 mm long; 1-1.2 length of adjacent fertile lemma; herbaceous; 1-keeled; 1-3 -veined. Upper glume primary vein eciliate, or ciliate. Upper glume surface glabrous, or pilose. Upper glume margins eciliate, or ciliate. Upper glume apex obtuse to acuminate.
    Florets
    Fertile lemma oblong; 8-20 mm long; herbaceous; keeled; 3 -veined. Lemma surface glabrous, or pilose. Lemma margins eciliate, or ciliate. Lemma apex emarginate, or obtuse. Palea 2 -veined.
    Flowers
    Lodicules absent. Anthers 3; 3-6 mm long.
    Distribution
    North America: southwest USA and Mexico.
    Reference
    Cynodonteae. Mobberley 1993.

    Images

    Distribution

    Native to:

    California, Mexico Northwest

    Sporobolus foliosus (Trin.) P.M.Peterson & Saarela appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mexico Spartina foliosa K000309009

    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
    • 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