1. Family: Poaceae Barnhart
    1. Genus: Cenchrus L.
      1. Cenchrus nanus (Engl.) ined.

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

    [GB]
    Habit
    Perennial; caespitose. Rhizomes elongated. Basal innovations intravaginal. Culms erect, or geniculately ascending; slender; 5-20 cm long; 1-2 -noded. Ligule a fringe of hairs. Leaf-blades conduplicate, or convolute; 6-12 cm long; 1-2.5 mm wide. Leaf-blade apex obtuse.
    Inflorescences
    Inflorescence a panicle. Peduncle 5-10 cm long; glabrous, or pubescent above. Panicle spiciform; oblong, or globose; 1-2 cm long; 0.5-0.7 cm wide. Primary panicle branches accrescent to a central axis; with lateral stumps on axis. Panicle axis angular; scaberulous; glabrous; bearing deciduous spikelet clusters. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; oblong; base truncate; base pubescent. Involucral bristles deciduous with the fertile spikelets; few; 7-8 in principal whorl; with longest bristle scarcely emergent; 5-7 mm long; terete; flexible; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; obtuse, or subacute; 5-5.5 mm long; falling entire; deciduous with accessory branch structures.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; obtuse, or subacute; 5-5.5 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes one the lower absent or obscure, or two; similar; shorter than spikelet; thinner than fertile lemma. Lower glume oblate; 0.5-1 mm long; 0.1-0.2 length of spikelet; hyaline; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex truncate. Upper glume oblate; 0.5-1 mm long; 0.1-0.2 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; 2-2.5 mm long; 0.4-0.5 length of spikelet; hyaline; 0-1 -veined; without midvein, or with evident midvein; without lateral veins; acuminate. Fertile lemma oblong; 5-5.5 mm long; membranous; without keel; 5-7 -veined. Lemma margins flat. Lemma apex acute, or apiculate. Palea 1 length of lemma; membranous.
    Flowers
    Lodicules absent. Anthers 3; 3 mm long; anther tip smooth. Styles connate below.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Africa: northeast tropical.
    Reference
    Paniceae. FTA 1993.

    Images

    Distribution

    Native to:

    Ethiopia

    Cenchrus nanus (Engl.) ined. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Schimper [1372], Ethiopia Pennisetum humile K000281192 isotype
    Schimper [1372], Ethiopia Pennisetum humile K000281191 isotype
    Schimper [101], Ethiopia Pennisetum humile K000281194
    Schimper [1514], Ethiopia Pennisetum humile K000281193 isosyntype

    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