1. Family: Poaceae Barnhart
    1. Tetrachne Nees

      1. This genus is accepted, and its native range is S. Africa.

    [GB]

    nonem

    Habit
    Perennial. Culms 50-70 cm long. Ligule a fringe of hairs.
    Inflorescences
    Inflorescence composed of racemes. Racemes borne along a central axis; unilateral. Rhachis flattened. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 2 basal sterile florets; 4-5 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 4-6 mm long; falling entire.
    Fertile
    Spikelets comprising 2 basal sterile florets; 4-5 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 4-6 mm long; falling entire.
    Glume
    Glumes shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 0.75 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; membranous; 1 -veined; acute. Fertile lemma elliptic; coriaceous; keeled; 5 -veined. Lemma midvein ciliolate. Lemma apex acute. Palea coriaceous; 2 -veined. Palea keels winged; ciliolate. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; fleshy.
    Fruits
    Caryopsis with free soft pericarp; ellipsoid.
    Distribution
    Africa, or Tropical Asia.

    Images

    Distribution

    Native to:

    Cape Provinces, Free State, Lesotho

    Introduced into:

    Pakistan

    Tetrachne Nees appears in other Kew resources:

    First published in Fl. Afr. Austral. Ill.: 375 (1841)

    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