1. Family: Poaceae Barnhart
    1. Genus: Polypogon Desf.
      1. Polypogon griquensis (Stapf) Gibbs Russ. & Fish

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

    [GB]
    Habit
    Annual; caespitose; clumped loosely. Culms erect, or geniculately ascending; 3-20 cm long; 1-3 -noded. Culm-nodes glabrous. Lateral branches lacking, or sparse. Leaf-sheaths smooth. Ligule an eciliate membrane; 3-4 mm long; lacerate. Leaf-blades 2-6 cm long; 1-1.5 mm wide. Leaf-blade surface smooth, or scaberulous; rough adaxially. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear, or lanceolate; continuous, or interrupted; 1-8 cm long; 0.3-1 cm wide. Primary panicle branches appressed; 1-2.5 cm long. Spikelets solitary. Fertile spikelets sessile, or pedicelled. Pedicels linear; 0.2-0.4 mm long; scabrous.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 1-1.4 mm long; falling entire; deciduous with the pedicel. Spikelet callus square.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 1-1.4 mm long; falling entire; deciduous with the pedicel. Spikelet callus square.
    Glume
    Glumes similar; reaching apex of florets, or exceeding apex of florets; firmer than fertile lemma; shiny; gaping. Lower glume oblong; 1-1.4 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume margins ciliolate. Lower glume apex emarginate, or obtuse; muticous, or mucronate. Upper glume oblong; 1-1.4 mm long; 1-1.4 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scabrous. Upper glume lateral veins absent. Upper glume surface asperulous. Upper glume margins ciliolate. Upper glume apex emarginate, or obtuse; muticous, or mucronate.
    Florets
    Fertile lemma oblong; 1 mm long; cartilaginous; without keel; 5 -veined. Lemma lateral veins obscure. Lemma apex erose; truncate; awned; 1 -awned. Principal lemma awn apical, or subapical; straight; 0.4-0.5 mm long overall. Palea 0.66-0.75 length of lemma; hyaline; 0 -veined.
    Flowers
    Lodicules 2; membranous. Anthers 3; 0.25 mm long.
    Fruits
    Caryopsis with adherent pericarp; ovoid; 0.5-0.75 mm long. Hilum linear.
    Distribution
    Africa: south.
    Reference
    Aveneae. FTA.

    Images

    Distribution

    Native to:

    Cape Provinces, Free State, Namibia

    Polypogon griquensis (Stapf) Gibbs Russ. & Fish appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Burchell [1863], South Africa K000367379

    First published in Bothalia 36: 71 (2006)

    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

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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