1. Family: Poaceae Barnhart
    1. Genus: Tribolium Desv.
      1. Tribolium tenellum (Nees) Verboom & H.P.Linder

        This species is accepted, and its native range is Cape Prov.

    [GB]
    Habit
    Annual; caespitose. Culms erect, or geniculately ascending; 2-8 cm long; 2-3 -noded. Leaf-sheath oral hairs bearded. Ligule a fringe of hairs; 0.5 mm long. Leaf-blades curled; convolute; 0.5-1.5 cm long; 0.5-0.8 mm wide. Leaf-blade apex obtuse.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; ovate; 0.5-2 cm long; 0.5-1.5 cm wide. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1-3 mm long.
    Spikelets
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 4-7 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 0.5 mm long. Floret callus evident; pilose.
    Fertile
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 4-7 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 0.5 mm long. Floret callus evident; pilose.
    Glume
    Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 4-7 mm long; 1 length of upper glume; membranous; much thinner on margins; without keels; 5 -veined. Lower glume apex acute. Upper glume lanceolate; 4-7 mm long; 2-3 length of adjacent fertile lemma; membranous; with hyaline margins; without keels; 5 -veined. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 2 mm long; membranous; much thinner on margins; without keel; 9 -veined. Lemma surface glabrous; with a transverse row of hair tufts and with marginal hair tufts; bearing 12-16 hair tufts in all. Lemma hairs 1-1.2 mm long. Lemma apex lobed; 2 -fid; with ovate lobes; incised 0.5 of lemma length; obtuse; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 3-4 mm long overall; with twisted column. Column of lemma awn 1.3-1.6 mm long. Palea 1 length of lemma. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; cuneate; fleshy; glabrous, or ciliate. Anthers 3; 1.4-1.8 mm long.
    Fruits
    Caryopsis with adherent pericarp; obovoid; concavo-convex; 0.8 mm long; dark brown. Embryo 0.5 length of caryopsis. Hilum linear; 0.25 length of caryopsis. Endosperm flinty.
    Distribution
    Africa: south.
    Reference
    Arundineae. Conert.

    Distribution

    Native to:

    Cape Provinces

    Tribolium tenellum (Nees) Verboom & H.P.Linder appears in other Kew resources:

    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
    • 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