1. Family: Poaceae Barnhart
    1. Austroderia N.P.Barker & H.P.Linder

      1. This genus is accepted, and its native range is New Zealand.

    [GB]

    nonem

    Habit
    Perennial. Culms robust; 100-310-600 cm long. Ligule a fringe of hairs. Leaf-blades herbaceous (3), or coriaceous (2); stiff (3), or firm (2).
    Inflorescences
    Bisexual (1), or gynodioecious (male, in this context, indicating the bisexual state) (4). Inflorescence a panicle. Panicle open. Spikelets solitary. Fertile spikelets pedicelled. Male inflorescence similar to female (4/4); a panicle (4/4). Male spikelets resembling female (4/4).
    Spikelets
    Spikelets comprising 1 fertile florets (1), or 2 fertile florets (2), or 3 fertile florets, or 4 fertile florets (3), or 5-7 fertile florets (1); with diminished florets at the apex. Spikelets cuneate; laterally compressed; 10-23.66-50 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent.
    Fertile
    Spikelets comprising 1 fertile florets (1), or 2 fertile florets (2), or 3 fertile florets, or 4 fertile florets (3), or 5-7 fertile florets (1); with diminished florets at the apex. Spikelets cuneate; laterally compressed; 10-23.66-50 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent.
    Glume
    Glumes exceeding apex of florets; parallel to lemmas (2), or gaping (3). Lower glume linear; 1 length of upper glume; hyaline; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface glabrous (4), or hirsute (1). Lower glume apex setaceously attenuate. Upper glume linear; 1.5-2.75-5 length of adjacent fertile lemma; hyaline; without keels; 1 -veined. Upper glume surface glabrous (4), or hirsute (1). Upper glume apex setaceously attenuate.
    Florets
    Fertile florets bisexual (1), or female (4). Fertile lemma lanceolate; hyaline; without keel; 3 -veined. Lemma surface hirsute (1), or plumose (4). Lemma apex entire (1), or lobed; 2 -fid; attenuate (4/4); muticous (1), or awned (4); 1 -awned (4/4). Principal lemma awn apical (1/4), or from a sinus (4/4). Palea hyaline; 2 -veined. Palea keels eciliate (3), or ciliolate (2). Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; fleshy; glabrous (1), or ciliate (4). Anthers 3.
    Fruits
    Caryopsis with adherent pericarp; fusiform (1/1). Embryo 0.3 length of caryopsis.
    Male
    Male inflorescence similar to female (4/4); a panicle (4/4). Male spikelets resembling female (4/4).
    Distribution
    Australasia.

    Distribution

    Native to:

    Chatham Is., New Zealand North, New Zealand South

    Introduced into:

    Tasmania

    Austroderia N.P.Barker & H.P.Linder appears in other Kew resources:

    First published in Ann. Missouri Bot. Gard. 97: 343 (2010)

    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