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  1. Family: Poaceae Barnhart
    1. Plinthanthesis Steud.

      1. This genus is accepted, and its native range is SE. Australia.

    [GB]

    nonem

    Habit
    Perennial. Culms erect (1/2), or decumbent (1/2); 25-39.16-60 cm long. Ligule a fringe of hairs. Leaf-blades filiform.
    Inflorescences
    Inflorescence a panicle. Panicle open. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
    Spikelets
    Spikelets comprising 2 fertile florets (1), or 3 fertile florets, or 4-5 fertile florets (1); without rhachilla extension, or with a barren rhachilla extension (1). Spikelets oblong; laterally compressed; 4-6.5-9 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2 fertile florets (1), or 3 fertile florets, or 4-5 fertile florets (1); without rhachilla extension, or with a barren rhachilla extension (1). Spikelets oblong; laterally compressed; 4-6.5-9 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; shorter than spikelet (1), or reaching apex of florets (2), or exceeding apex of florets (1); gaping. Lower glume lanceolate; 1 length of upper glume; chartaceous; 1-keeled; 1-2 -veined (1), or 3 -veined. Lower glume surface smooth (1), or asperulous. Lower glume apex obtuse (1), or acute. Upper glume lanceolate; 1.3-1.7-2.2 length of adjacent fertile lemma; chartaceous; 1-keeled; 1-2 -veined (1), or 3 -veined. Upper glume surface smooth (1), or asperulous. Upper glume apex obtuse (1), or acute.
    Florets
    Fertile lemma oblong; chartaceous; much thinner above; of similar consistency on margins (2), or much thinner on margins (1); without keel; 9 -veined. Lemma surface pubescent (2), or pilose (1); hairy between veins. Lemma apex dentate (1), or lobed (2); 2 -fid; incised 0.25-0.375-0.5 of lemma length; obtuse (2/2), or acute (2/2); muticous (1), or mucronate (1), or awned (2); 1 -awned (2/2). Principal lemma awn apical (1), or from a sinus (2); straight (1), or curved (1), or geniculate (1). Palea 0.9-1-1.1 length of lemma; chartaceous; 2 -veined. Palea keels smooth (1), or scaberulous (2); eciliate (2), or ciliolate (1). Palea surface pubescent (2), or pilose (1).
    Flowers
    Lodicules 2; fleshy. Anthers 3.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid (1/1). Hilum linear; 0.5 length of caryopsis.
    Distribution
    Australasia.

    Images

    Distribution

    Native to:

    New South Wales, Victoria

    Accepted Species

    Synonyms

    Other Data

    Plinthanthesis Steud. appears in other Kew resources:

    Bibliography

    First published in Syn. Pl. Glumac. 1: 14 (1853)

    Accepted by

    • Govaerts, R. (2019). World Checklist of Vascular Plants (WCVP Database) The Board of Trustees of the Royal Botanic Gardens, Kew.

    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