1. Family: Poaceae Barnhart
    1. Genus: Eriochloa Kunth
      1. Eriochloa nelsonii Scribn. & J.G.Sm.

        This species is accepted, and its native range is Mexico to Central America.

    [GB]
    Habit
    Annual. Culms erect, or geniculately ascending; 50-100 cm long. Ligule a fringe of hairs. Leaf-blades lanceolate; 5-20 cm long; 8-15 mm wide. Leaf-blade surface pilose.
    Inflorescences
    Inflorescence composed of racemes. Racemes borne along a central axis; unilateral; 2-5 cm long. Central inflorescence axis 5-15 cm long; pilose. Rhachis angular; pilose on surface. Rhachis hairs 1 mm long. Spikelet packing regular; 2 -rowed. Spikelets in pairs. Fertile spikelets pedicelled. Pedicels oblong; villous; with 4-5 mm long hairs.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 5-7 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; 5-7 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 pubescent. Upper glume apex obtuse.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; 5 -veined; pubescent; obtuse. Fertile lemma elliptic; 3.5-4 mm long; indurate; shiny; without keel. Lemma margins involute. Lemma apex acute; muticous. Palea involute; indurate. Palea surface smooth, or papillose.
    Distribution
    North America: Mexico. South America: Mesoamericana.
    Reference
    Paniceae. Fl Nov Gal 1994.

    Images

    Distribution

    Native to:

    Guatemala, Honduras, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Nicaragua

    Eriochloa nelsonii Scribn. & J.G.Sm. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hinton, G.B. [6943], Guerrero K000465970
    Hinton, G.B. [6753], México State K000465971
    Hinton, G.B. [6753], México State K000465972
    Hinton, G.B. [5171], México State K000465973
    Hinton, G.B. [12141], Michoacán K000465977
    Hinton, G.B. [12141], Michoacán K000465978
    Hinton, G.B. [2727], México State K000465969
    Hinton, G.B. [13326], Michoacán K000465974
    Hinton, G.B. [1941], México State K000465975
    Hinton, G.B. [13326], Michoacán K000465976
    Hitchcock, A.S. [8737], Nicaragua K000643656
    Nelson, E.W. [1707], Oaxaca K000643657 Unknown type material

    First published in Bull. Div. Agrostol. U.S.D.A. 4: 12 (1897)

    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.
    • 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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    Literature

    Kew Backbone Distributions
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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.

    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