Featured: Lysimachia arvensis Image from Stuppy & Kesseler
©Papadakis Publisher

  1. Family: Poaceae Barnhart
    1. Genus: Cenchrus L.

      1. Cenchrus pseudotriticoides (A.Camus) ined.

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

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Culms erect; 50-80 cm long. Culm-internodes distally glabrous. Ligule a fringe of hairs. Leaf-blades conduplicate; 15-50 cm long; 2-4 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; linear; loose; 8-20 cm long; 0.5-0.8 cm wide. Primary panicle branches accrescent to a central axis; with sessile scars 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; 10-11 mm long. Involucral bristles deciduous with the fertile spikelets; in one whorl; 10-15 in principal whorl; with one conspicuously longer bristle; 12-25 mm long; terete; flexible; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 7-9 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; 7-9 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes dissimilar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.05 length of spikelet; hyaline; without keels; 0 -veined. Lower glume lateral veins absent. Upper glume ovate; 1-1.5 mm long; 0.15-0.33 length of spikelet; membranous; without keels; 1 -veined. Upper glume primary vein obscure. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret ovate; 1 length of spikelet; membranous; 7-9 -veined; acute. Fertile lemma lanceolate; 7-9 mm long; cartilaginous; without keel. Lemma margins flat. Lemma apex acute. Palea membranous.
    Flowers
    Lodicules absent. Anthers 3.
    Distribution
    Africa: western Indian ocean.
    Reference
    Paniceae. Gr Madag 1997.

    Distribution

    Native to:

    Madagascar

    Cenchrus pseudotriticoides (A.Camus) ined. appears in other Kew resources:

    Literature

    Kew Backbone Distributions
    • Bosser, J. (1969). Gramiées des pasturages et des cultures a Madagascar: 1-440. ORSTOM, Paris.

    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