1. Family: Poaceae Barnhart
    1. Genus: Cenchrus L.
      1. Cenchrus thulinii (S.M.Phillips) Morrone

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

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Culms erect; slender; 40 cm long; wiry. Leaf-sheaths tight. Ligule a fringe of hairs. Leaf-blades filiform; involute; 1-1.5 mm wide. Leaf-blade surface smooth; glabrous.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; linear; 2.5-3.5 cm long. Primary panicle branches accrescent to a central axis; with lateral stumps on axis. Panicle axis with rounded ribs; glabrous; bearing deciduous spikelet clusters. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; base truncate. Involucral bristles deciduous with the fertile spikelets; few; 2 in principal whorl; 5-5.5 mm long; terete; flexible; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute; 3 mm long; falling entire; deciduous with accessory branch structures.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute; 3 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes one the lower absent or obscure; shorter than spikelet; thinner than fertile lemma. Upper glume oblate; 0.4 mm long; 0.1-0.15 length of spikelet; hyaline; without keels; 0 -veined. Upper glume primary vein absent. Upper glume lateral veins absent. Upper glume apex truncate.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret ovate; 0.2 length of spikelet; hyaline; 1 -veined; without lateral veins; acuminate; mucronate, or awned. Awn of lower sterile floret terminal; 0.5-1 mm long. Fertile lemma oblong; 3 mm long; membranous; without keel. Lemma surface scaberulous; rough above. Lemma margins flat. Lemma apex obtuse; mucronate. Palea 1 length of lemma; membranous. Palea surface scaberulous. Palea apex ciliate.
    Flowers
    Lodicules absent. Anthers 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Africa: northeast tropical.
    Reference
    Paniceae. Fl Eth 1997.

    Images

    Distribution

    Native to:

    Ethiopia

    Cenchrus thulinii (S.M.Phillips) Morrone appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1991 Thulin, M. [1541], Ethiopia Pennisetum thulinii K000281196 holotype

    First published in Ann. Bot. (Oxford) 106: 129 (2010)

    Literature

    Kew Backbone Distributions
    • Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.

    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 2019. 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 2019. 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