1. Family: Poaceae Barnhart
    1. Genus: Melica L.
      1. Melica argyrea Hack.

        This species is accepted, and its native range is S. Brazil to N. Argentina.

    [GB]
    Habit
    Perennial. Rhizomes short. Basal innovations extravaginal. Culms erect; 12-70 cm long. Lateral branches lacking. Leaf-sheaths tubular for much of their length; with 1 of their length closed; retrorsely scabrous; glabrous on surface, or pilose. Ligule an eciliate membrane; 2.5-7 mm long. Leaf-blades filiform, or linear; involute, or convolute; 1-15 cm long; 1-2 mm wide; stiff. Leaf-blade surface pilose; hairy adaxially, or on both sides. Leaf-blade margins ciliate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 5-27 cm long. Primary panicle branches spreading; simple. Panicle axis scabrous. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; curved; glabrous.
    Spikelets
    Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets obovate; dorsally compressed; 5-8 mm long; falling entire. Floret callus glabrous.
    Fertile
    Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets obovate; dorsally compressed; 5-8 mm long; falling entire. Floret callus glabrous.
    Glume
    Glumes dissimilar; with lower wider than upper; exceeding apex of florets; thinner than fertile lemma. Lower glume obovate, or flabellate; 5-8 mm long; 1.4-1.6 length of upper glume; membranous; much thinner above; much thinner on margins; without keels; 5-7 -veined. Lower glume primary vein falling short of apex. Lower glume apex erose; obtuse. Upper glume lanceolate; 3.5-5 mm long; 1 length of adjacent fertile lemma; membranous; much thinner above; with hyaline margins; without keels; 3-5 -veined. Upper glume apex obtuse, or acute.
    Florets
    Fertile lemma lanceolate; 4-5 mm long; 1.5-2 mm wide; chartaceous; much thinner above; much thinner on margins; without keel. Lemma surface scabrous. Lemma margins ciliate; hairy in the middle. Lemma hairs 0.5-1 mm long. Lemma apex obtuse. Palea 3.5-4 mm long; 2 -veined. Palea keels ciliolate. Palea surface scaberulous. Apical sterile florets barren; in a clump; cuneate; 1-1.5 mm long. Apical sterile lemmas truncate.
    Flowers
    Lodicules 2; united; oblong; 0.2-0.3 mm long; fleshy; truncate. Anthers 3; 0.8-1 mm long.
    Fruits
    Caryopsis with adherent pericarp; obovoid; 1.5-1.8 mm long; dark brown. Embryo 0.33 length of caryopsis. Hilum linear.
    Distribution
    South America: Brazil and southern South America.
    Reference
    Meliceae. Torres 1995.

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Brazil South, Uruguay

    Melica argyrea Hack. appears in other Kew resources:

    First published in Anales Mus. Nac. Buenos Aires 11: 134 (1904)

    Accepted by

    • 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.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • 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

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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