1. Family: Poaceae Barnhart
    1. Genus: Aciachne Benth.
      1. Aciachne acicularis Laegaard

        This species is accepted, and its native range is Costa Rica to W. Venezuela and NW. Argentina.

    [GB]
    Habit
    Perennial; cushion forming. Culms 1-3 cm long. Lateral branches ample. Ligule an eciliate membrane; 0.7 mm long. Leaf-blades aciculate; conduplicate; 0.4-1 cm long; 0.3-0.4 mm wide; stiff. Leaf-blade venation comprising 3 vascular bundles; with 3 secondary veins. Leaf-blade surface pubescent; hairy adaxially. Leaf-blade apex acute; pungent.
    Inflorescences
    Inflorescence comprising only a few spikelets; comprising 1-3 fertile spikelets; shorter than basal leaves. Spikelets solitary.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 4-4.6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus glabrous; truncate.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 4-4.6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus glabrous; truncate.
    Glume
    Glumes persistent; similar; shorter than spikelet; similar to fertile lemma in texture. Lower glume ovate; 1.8-2.2 mm long; 1 length of upper glume; coriaceous; without keels; 3-5 -veined. Lower glume apex obtuse. Upper glume ovate; 1.8-2.2 mm long; 0.5 length of adjacent fertile lemma; coriaceous; without keels; 3-5 -veined. Upper glume apex obtuse.
    Florets
    Fertile lemma oblong; subterete; lanceolate in profile; 4-4.6 mm long; coriaceous; shiny; without keel; 3 -veined. Lemma margins convolute; covering most of palea. Lemma apex rostrate. Palea coriaceous; 2 -veined; without keels.
    Flowers
    Lodicules 3; membranous; veinless. Anthers 3. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    South America: Mesoamericana, western South America, and southern South America.
    Reference
    Stipeae. Fl Meso-Am 1995.
    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Nativa en Colombia; Alt. 3000 - 4500 m.; Andes.
    Habit
    Hierba
    Conservation
    No Evaluada

    Images

    Distribution

    Native to:

    Argentina Northwest, Bolivia, Colombia, Costa Rica, Ecuador, Peru, Venezuela

    Aciachne acicularis Laegaard appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 1, 1987 Renvoize, S.A. [4164], Bolivia K000433549 holotype

    First published in Nordic J. Bot. 7: 669 (1987)

    Accepted by

    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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.
    • 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.
    • Hammel, B.E. & al. (2003). Manual de Plantas de Costa Rica 3: 1-884. Missouri Botanical Garden Press, St. Louis.
    • 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.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • 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.
    • 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.
    • 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.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • 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

    Catálogo de Plantas y Líquenes de Colombia
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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