1. Family: Poaceae Barnhart
    1. Genus: Cenchrus L.
      1. Cenchrus distachyus (E.Fourn.) Morrone

        This species is accepted, and its native range is Mexico to Central America.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; robust; 200-300 cm long; 3-6 mm diam.; swollen at the base. Culm-internodes thin-walled; distally glabrous. Culm-nodes pubescent. Lateral branches ample. Leaf-sheaths without keel; glabrous on surface. Ligule a ciliate membrane; 1.5-3.5 mm long. Leaf-blades lanceolate; 17-45 cm long; 13-35 mm wide. Leaf-blade surface glabrous, or hirsute; hairy on both sides.
    Inflorescences
    Inflorescence a panicle; terminal and axillary; subtended by an inflated leaf-sheath. Panicle spiciform; linear; flexuous; 3-10 cm long; 0.7-1 cm wide. Primary panicle branches accrescent to a central axis; with lateral stumps on axis. Panicle axis scabrous; glabrous; bearing deciduous spikelet clusters. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; 3-5 mm long; base truncate. Involucral bristles deciduous with the fertile spikelets; numerous; in one whorl; 30 in principal whorl; with one conspicuously longer bristle; 15-20 mm long; terete; flexible; antrorsely scaberulous; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acute, or acuminate; 4.8-6.2 mm long; falling entire; deciduous with accessory branch structures.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acute, or acuminate; 4.8-6.2 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.5-1.2 mm long; 0.1-0.2 length of spikelet; membranous; without keels; 0-1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume ovate; 1.8-2.5 mm long; 0.5 length of spikelet; membranous; without keels; 3 -veined. Upper glume lateral veins obscure. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret ovate; 3.8-5.4 mm long; 0.9-1 length of spikelet; membranous; 5 -veined; acute. Fertile lemma ovate; 3.8-5.4 mm long; chartaceous; without keel. Lemma margins flat. Palea 1 length of lemma; membranous.
    Flowers
    Lodicules 2. Anthers 3; 1.3-1.8 mm long.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    North America: Mexico. South America: Mesoamericana.
    Reference
    Paniceae. Fl Mesoamer. 2011.

    Distribution

    Native to:

    Costa Rica, Guatemala, Mexico Central, Mexico Gulf, Mexico Southeast, Mexico Southwest

    Cenchrus distachyus (E.Fourn.) Morrone appears in other Kew resources:

    First published in Ann. Bot. (Oxford) 106: 127 (2010)

    Literature

    Kew Backbone Distributions
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    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