1. Family: Poaceae Barnhart
    1. Genus: Eriochloa Kunth
      1. Eriochloa stevensii Davidse

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

    [GB]
    Habit
    Annual. Culms erect; 50-100 cm long. Culm-internodes distally pubescent. Leaves cauline. Leaf-sheaths pubescent. Ligule a fringe of hairs; 0.5-1 mm long. Leaf-blades 10-21 cm long; 4-14 mm wide. Leaf-blade surface pubescent; densely hairy.
    Inflorescences
    Inflorescence composed of racemes. Racemes numerous; 17-57; borne along a central axis; ascending; unilateral; 3.4-5.5 cm long; 4-5 mm wide. Central inflorescence axis 13-21 cm long; pubescent. Rhachis angular; pubescent on surface. Spikelets in pairs. Fertile spikelets pedicelled. Pedicels oblong; 0.3-0.7 mm long; pubescent; tip discoid.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 3.4-5.5 mm long; 1.2 mm wide; falling entire. Spikelet callus globular; incorporating lowest rhachilla internode with adnate lower glume; 0.2-0.3 mm long; glabrous.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 3.4-5.5 mm long; 1.2 mm wide; falling entire. Spikelet callus globular; incorporating lowest rhachilla internode with adnate lower glume; 0.2-0.3 mm long; glabrous.
    Glume
    Glumes one the lower absent or obscure; reaching apex of florets, or exceeding apex of florets; thinner than fertile lemma. Upper glume lanceolate; 3.4-5.5 mm long; 1 length of spikelet; membranous; without keels; 3 -veined. Upper glume surface pubescent; hairy below. Upper glume apex acuminate; muticous, or mucronate, or awned; 1 -awned. Upper glume awn 0-1 mm long.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; lanceolate; 0.8-1 length of spikelet; membranous; 3 -veined; pubescent; hairy below; acuminate. Fertile lemma elliptic; 1.9-2.3 mm long; 0.8-1 mm wide; indurate; without keel. Lemma surface papillose. Lemma margins involute. Lemma apex obtuse; pubescent; mucronate, or awned; 1 -awned. Principal lemma awn 0.1-0.4 mm long overall. Palea involute; indurate.
    Flowers
    Anthers 3; 1.1-1.3 mm long; yellow.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 1.1-1.2 mm long. Embryo 0.33 length of caryopsis. Hilum linear; 0.33 length of caryopsis.
    Distribution
    South America: Mesoamericana and western South America.
    Reference
    Paniceae. Davidse 1994.

    Images

    Distribution

    Native to:

    Costa Rica, Ecuador, Nicaragua, Peru, Venezuela

    Eriochloa stevensii Davidse appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1994 Stevens, W.D. [20608], Nicaragua K000643654 isotype
    Laegaard, S. [54225], Ecuador K000643643

    First published in Novon 2: 325 (1992)

    Accepted by

    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    Literature

    Kew Backbone Distributions
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    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