1. Family: Poaceae Barnhart
    1. Genus: Eriochloa Kunth
      1. Eriochloa acuminata (J.Presl) Kunth

        This species is accepted, and its native range is Central & S. U.S.A. to Mexico, N. Argentina.

    [GB]
    Habit
    Annual. Culms erect, or geniculately ascending; 40-100 cm long. Ligule a fringe of hairs. Leaf-blades 7-15 cm long; 4-8 mm wide. Leaf-blade surface glabrous.
    Inflorescences
    Inflorescence composed of racemes. Racemes borne along a central axis; unilateral; 1-2.5 cm long. Central inflorescence axis 5-12 cm long; puberulous. Rhachis angular; pubescent on surface. Spikelet packing regular; 2 -rowed. Spikelets solitary, or in pairs. Fertile spikelets pedicelled. Pedicels oblong; scabrous; bearing a few hairs; with 1-1.5 mm long hairs.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 3.5-4.5 mm long; falling entire. Spikelet callus globular; incorporating lowest rhachilla internode with adnate lower glume; glabrous.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 3.5-4.5 mm long; falling entire. Spikelet callus globular; incorporating lowest rhachilla internode with adnate lower glume; glabrous.
    Glume
    Glumes one the lower absent or obscure; exceeding apex of florets; thinner than fertile lemma. Upper glume elliptic; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface scabrous; rough above; pubescent; hairy below. Upper glume apex acuminate; awned; 1 -awned. Upper glume awn 0.5-1 mm long.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; 5 -veined; scabrous; rough above; pubescent; hairy below; acuminate. Fertile lemma elliptic; 2.5-2.7 mm long; indurate; without keel. Lemma margins involute. Lemma apex obtuse; mucronate. Palea involute; indurate.
    Distribution
    North America: north-central USA, southwest USA, south-central USA, and Mexico. South America: southern South America.
    Reference
    Paniceae. Fl Nov Gal 1994.

    Images

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Arizona, Arkansas, California, Florida, Georgia, Illinois, Kentucky, Louisiana, Maryland, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southwest, Mississippi, Missouri, Nevada, New Mexico, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Utah, Virginia

    Introduced into:

    Alabama, New York

    Eriochloa acuminata (J.Presl) Kunth appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    [Haenke] [s.n.], Mexico K000643655 Unknown type material

    First published in Enum. Pl. 1: 72 (1833)

    Accepted by

    • Hall, D.W. (2019). Grasses of Florida: 1-353. University press of Florida.
    • Kral, R., Diamond, A.R., Ginzbarg, S.L., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. (2011). Annotated checklist of the vascular plants of Alabama: 1-112. Botanical reseach institute of Texas.
    • 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.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • 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.

    Literature

    Kew Backbone Distributions
    • Hall, D.W. (2019). Grasses of Florida: 1-353. University press of Florida.
    • Kral, R., Diamond, A.R., Ginzbarg, S.L., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. (2011). Annotated checklist of the vascular plants of Alabama: 1-112. Botanical reseach institute of Texas.
    • 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.
    • 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