1. Family: Poaceae Barnhart
    1. Paractaenum P.Beauv.

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

    [GB]

    nonem

    Habit
    Annual. Culms erect, or decumbent; 30-60 cm long. Ligule a ciliolate membrane. Leaf-blades flaccid.
    Inflorescences
    Inflorescence composed of racemes. Racemes borne along a central axis; spreading, or deflexed; unilateral; bearing few fertile spikelets; bearing 1-4 fertile spikelets on each. Central inflorescence axis flattened. Rhachis deciduous from axis; narrowly winged; angular; terminating in a barren extension; extension subulate. Spikelet packing abaxial; distant. Raceme-bases cuneate. Spikelets appressed; subtended by an involucre. Fertile spikelets pedicelled; 1 in the cluster. Involucre composed of bristles. Involucral bristles deciduous with the fertile spikelets. Pedicels oblong.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 3.5-5 mm long; falling entire; deciduous with accessory branch structures.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 3.5-5 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; membranous; without keels; 3-7 -veined. Lower glume apex truncate, or obtuse. Upper glume ovate; membranous; without keels; 11 -veined. Upper glume apex acute.
    Florets
    Basal sterile florets barren; with palea, or without significant palea. Lemma of lower sterile floret ovate; membranous; 9-11 -veined; acute. Fertile lemma elliptic; coriaceous; without keel. Lemma surface striate, or punctate. Lemma margins involute. Palea coriaceous.
    Flowers
    Lodicules 2; fleshy; truncate. Anthers 3.
    Distribution
    Australasia.

    Images

    Distribution

    Native to:

    New South Wales, Northern Territory, Queensland, South Australia, Western Australia

    Paractaenum P.Beauv. appears in other Kew resources:

    First published in Ess. Agrostogr.: 47 (1812)

    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