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  1. Family: Poaceae Barnhart
    1. Genus: Tribolium Desv.
      1. Tribolium purpureum (L.f.) Verboom & H.P.Linder

        This species is accepted, and its native range is S. Africa.

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short. Culms 10-22 cm long. Leaf-sheaths hispid. Ligule a fringe of hairs. Leaf-blades curved; aciculate; convolute; 2-4 cm long; 0.5-1 mm wide; coriaceous; stiff. Leaf-blade surface hispid; sparsely hairy.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; oblong, or globose; 0.5-2 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 5-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pilose.
    Fertile
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 5-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pilose.
    Glume
    Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma; gaping. Lower glume elliptic; 5-8 mm long; 1 length of upper glume; membranous; purple; without keels; 3 -veined. Lower glume apex acuminate. Upper glume elliptic; 5-8 mm long; 1.7-2.3 length of adjacent fertile lemma; membranous; purple; without keels; 3 -veined. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 3-3.5 mm long; chartaceous; without keel; 9 -veined. Lemma surface glabrous; with 2 transverse rows of hair tufts. Lemma hairs 1.5-2 mm long. Lemma apex lobed; 2 -fid; incised 0.5 of lemma length; obtuse; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 3-4 mm long overall; with a straight or slightly twisted column. Palea 2.8-3.2 mm long. Palea surface pubescent; hairy on back. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; fleshy; ciliate. Anthers 3; 2 mm long.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Africa: south.
    Reference
    Arundineae. Gr S Afr 1993.

    Distribution

    Native to:

    Cape Provinces, Free State, KwaZulu-Natal, Lesotho

    Introduced into:

    California

    Synonyms

    Other Data

    Tribolium purpureum (L.f.) Verboom & H.P.Linder appears in other Kew resources:

    Bibliography

    First published in Ann. Missouri Bot. Gard. 97: 356 (2010)

    Accepted by

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

    Literature

    Kew Backbone Distributions

    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.

    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