1. Family: Poaceae Barnhart
    1. Genus: Perotis Aiton
      1. Perotis acanthoneuron Cope

        This species is accepted, and its native range is Somalia.

    [GB]
    Habit
    Annual; caespitose. Culms erect, or geniculately ascending; 30-70 cm long. Ligule an eciliate membrane. Leaf-blade base amplexicaul. Leaf-blades lanceolate, or ovate; 2-3.5 cm long; 4-7 mm wide; stiff. Leaf-blade apex acute; pungent.
    Inflorescences
    Inflorescence composed of racemes; embraced at base by subtending leaf. Racemes 1; single; multilateral; 12-17 cm long. Spikelets ascending; solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear, or lanceolate; subterete; 5.5-7.6 mm long; falling entire. Spikelet callus linear; 2-2.3 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear, or lanceolate; subterete; 5.5-7.6 mm long; falling entire. Spikelet callus linear; 2-2.3 mm long.
    Glume
    Glumes similar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 3.6-5.2 mm long; 1 length of upper glume; membranous; without keels; 1 -veined. Lower glume primary vein spinulose. Lower glume lateral veins absent. Lower glume surface scabrous; rough in lines. Lower glume apex acuminate; awned; 1 -awned. Lower glume awn 10-20 mm long. Upper glume lanceolate; 3.6-5.2 mm long; membranous; without keels; 1 -veined. Upper glume primary vein depressed; spinulose. Upper glume lateral veins absent. Upper glume surface scabrous; rough in lines. Upper glume apex acuminate; awned; 1 -awned. Upper glume awn 10-20 mm long.
    Florets
    Fertile lemma lanceolate; hyaline; without keel; 1 -veined. Lemma apex acute. Palea hyaline.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp; fusiform; flattened.
    Distribution
    Africa: northeast tropical.
    Reference
    Cynodonteae. Cope 1997.

    Images

    Distribution

    Native to:

    Somalia

    Perotis acanthoneuron Cope appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Bally, P.R.O. [15273], Somalia K000255451 holotype

    First published in Kew Bull. 50: 611 (1995)

    Accepted by

    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.

    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