1. Family: Poaceae Barnhart
    1. Genus: Cenchrus L.
      1. Cenchrus weberbaueri (Mez) Morrone

        This species is accepted, and its native range is Ecuador to Bolivia.

    [GB]
    Habit
    Perennial. Culms 70-100 cm long. Culm-nodes pubescent. Lateral branches ample. Ligule a fringe of hairs. Leaf-blades 12-25 cm long; 6-15 mm wide.
    Inflorescences
    Inflorescence a panicle; terminal and axillary. Panicle spiciform; linear; 5-7 cm long. Primary panicle branches accrescent to a central axis; with lateral stumps on axis. Panicle axis angular; scabrous; glabrous; bearing deciduous spikelet clusters. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; 5-6 mm long; base truncate. Involucral bristles deciduous with the fertile spikelets; numerous; 15-20 in principal whorl; with one conspicuously longer bristle; 10-12 mm long; terete; flexible; smooth; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 5.5-6.2 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; 5.5-6.2 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.15 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume ovate; 0.5 length of spikelet; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret oblong; 1 length of spikelet; membranous; 5 -veined; acute. Fertile lemma lanceolate; 5-6 mm long; coriaceous; without keel. Lemma margins flat. Lemma apex acute. Palea 1 length of lemma; coriaceous.
    Flowers
    Lodicules absent. Anthers 3. Styles free to the base.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    South America: western South America.
    Reference
    Paniceae. Turpe 1994.

    Distribution

    Native to:

    Bolivia, Ecuador, Peru

    Cenchrus weberbaueri (Mez) Morrone appears in other Kew resources:

    First published in Ann. Bot. (Oxford) 106: 130 (2010)

    Literature

    Kew Backbone Distributions
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/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