1. Family: Poaceae Barnhart
    1. Genus: Cenchrus L.
      1. Cenchrus × longistylus (Hochst. ex A.Rich.) Thulin & S.M.Phillips

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

    [GB]
    Habit
    Perennial; mat forming. Cataphylls evident. Rhizomes elongated. Culms decumbent; 10-25 cm long. Leaf-sheaths keeled; outer margin hairy. Leaf-sheath oral hairs ciliate. Ligule a fringe of hairs. Leaf-blades conduplicate; 5-16 cm long; 3-5 mm wide. Leaf-blade surface glabrous. Leaf-blade margins scaberulous. Leaf-blade apex obtuse.
    Inflorescences
    Inflorescence a panicle; subtended by an inflated leaf-sheath; embraced at base by subtending leaf. Panicle spiciform; linear; 1-3 cm long; 0.6 cm wide; bearing few spikelets. Primary panicle branches accrescent to a central axis; with lateral stumps on axis. Panicle axis angular; glabrous. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; lanceolate; 10-20 mm long; base obtuse; base pubescent. Involucral bristles deciduous with the fertile spikelets; numerous; terete; flexible; ciliate.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 10-20 mm long; falling entire; deciduous with accessory branch structures.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 10-20 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes shorter than spikelet; thinner than fertile lemma. Lower glume ovate, or oblate; 0.5-1 mm long; 0.05-0.1 length of spikelet; membranous; 0 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume ovate, or oblate; 1-2 mm long; 0.1-0.15 length of spikelet; membranous; without keels; 0-1 -veined. Upper glume primary vein absent, or distinct. Upper glume lateral veins absent. Upper glume apex obtuse.
    Florets
    Basal sterile florets male, or barren; with palea, or without significant palea. Lemma of lower sterile floret lanceolate, or ovate; 1 length of spikelet; membranous; 11-15 -veined; obtuse. Fertile lemma lanceolate; 10-20 mm long; membranous; without keel. Lemma margins flat. Lemma apex acute. Palea membranous.
    Flowers
    Lodicules absent. Anthers 3; 4-4.5 mm long; anther tip smooth. Filaments 5 mm long. Stigmas 2. Styles connate below; 1 of their length connate.
    Distribution
    Africa: Macaronesia and northeast tropical.
    Reference
    Paniceae. FTA 1993.

    Images

    Distribution

    Native to:

    Eritrea, Ethiopia

    Cenchrus × longistylus (Hochst. ex A.Rich.) Thulin & S.M.Phillips appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Schimper [65], Ethiopia Pennisetum × longistylum K000281147 isotype
    Schimper [65], Ethiopia Pennisetum × longistylum K000281145 isotype
    Schimper [65], Ethiopia Pennisetum × longistylum K000281148 isotype
    Schimper [65], Ethiopia Pennisetum × longistylum K000281146 isotype
    Schimper [65], Ethiopia Pennisetum × longistylum K000281144 isotype

    First published in Willdenowia 45: 174 (2015)

    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