1. Family: Poaceae Barnhart
    1. Genus: Anthoxanthum L.
      1. Anthoxanthum utriculatum (Ruiz & Pav.) Y.Schouten & Veldkamp

        This species is accepted, and its native range is Central & S. Chile to S. Argentina.

    [GB]
    Habit
    Perennial. Rhizomes elongated. Basal innovations extravaginal. Culms erect; robust; 70-130 cm long; 3-5 -noded. Culm-nodes brown; glabrous. Leaf-sheaths antrorsely scabrous. Ligule an eciliate membrane; obtuse. Leaf-blades 20-50 cm long; 5-14 mm wide. Leaf-blade venation with continuous uniform subepidermal sclerenchyma layer on the underside. Leaf-blade surface scabrous; rough on both sides; glabrous, or pubescent; hairy adaxially. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Peduncle antrorsely scabrous above. Panicle spiciform; linear; interrupted; 9-25 cm long; 1.2-3.3 cm wide. Primary panicle branches appressed. Panicle axis scabrous. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels pubescent.
    Spikelets
    Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 6-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 6-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet, or reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 5-6 mm long; 0.9 length of upper glume; membranous; 1-keeled; 3 -veined. Lower glume primary vein scabrous. Lower glume apex obtuse. Upper glume ovate; 5.5-6.5 mm long; membranous; 1-keeled; 3 -veined. Upper glume primary vein scabrous. Upper glume apex obtuse.
    Florets
    Basal sterile florets similar; male; with palea; attached to and deciduous with the fertile. Lemma of lower sterile floret elliptic; 5-6 mm long; chartaceous; 1-keeled; 5 -veined; scabrous; ciliolate on midvein; obtuse; awned. Awn of lower sterile floret terminal; 0.5-1.5 mm long. Lemma of upper sterile floret oblong; 1 length of lower sterile floret; chartaceous; scabrous; ciliolate on midvein; obtuse; awned. Awn of upper sterile floret terminal; straight; 0.5-1.5 mm long. Fertile florets female. Fertile lemma ovate; 4 mm long; cartilaginous; without keel; 5 -veined. Lemma margins convolute; covering most of palea. Lemma apex acute; muticous, or mucronate. Palea linear; 1 -veined; without keels.
    Flowers
    Anthers 3; 2.5-4 mm long. Staminodes two present. Ovary glabrous.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    South America: southern South America.
    Reference
    Aveneae. Fl Pat 1995.

    Images

    Distribution

    Native to:

    Argentina South, Chile Central, Chile South

    Anthoxanthum utriculatum (Ruiz & Pav.) Y.Schouten & Veldkamp appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hohenacker, W.R.F. [246], Chile Hierochloe utriculata K000308355

    First published in Blumea 30: 350 (1985)

    Not 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. [Cited as Hierochloe utriculata.]

    Literature

    Kew Backbone Distributions
    • 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.

    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