1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus maximus Hauman

        This species is accepted, and its native range is NW. Argentina.

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Culms 300 cm long; 6-7 mm diam. Culm-nodes flush with internodes; glabrous. Leaf-sheaths tight; 35 cm long; wider than blade at the collar; striately veined; glabrous on surface. Ligule a fringe of hairs. Leaf-blades 100-150 cm long; 5 mm wide; stiff. Leaf-blade surface glabrous, or hirsute; hairy adaxially.
    Inflorescences
    Inflorescence a panicle. Panicle open; lanceolate; dense; 40-70 cm long; 4-5 cm wide. Primary panicle branches appressed; 4-6 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; subterete; 2-2.5 mm long; 0.75 mm wide; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; subterete; 2-2.5 mm long; 0.75 mm wide; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; shorter than spikelet. Lower glume elliptic; 0.5 length of upper glume; membranous; without keels; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume elliptic; 0.66 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma elliptic; 2-2.5 mm long; membranous; without keel; 1 -veined. Lemma apex acute. Palea 2 -veined. Palea keels approximate.
    Flowers
    Anthers 3; 1 mm long.
    Fruits
    Caryopsis with free soft pericarp; orbicular; 1.3 mm long. Embryo 0.5 length of caryopsis.
    Distribution
    South America: Brazil and southern South America.
    Reference
    Eragrostideae. Parodi 1995.

    Distribution

    Native to:

    Argentina Northwest

    Sporobolus maximus Hauman appears in other Kew resources:

    First published in Physis (Buenos Aires) 5: 52 (1921)

    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
    • 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 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