1. Family: Poaceae Barnhart
    1. Genus: Cenchrus L.
      1. Cenchrus elegans (Hassk.) Veldkamp

        This species is accepted, and its native range is Malesia to Papuasia.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 200-300 cm long; 10-20 mm diam. Lateral branches ample. Ligule a ciliolate membrane; 0.5 mm long. Leaf-blades 20-40 cm long; 10-30 mm wide. Leaf-blade midrib prominent beneath. Leaf-blade surface smooth, or scabrous.
    Inflorescences
    Inflorescence a panicle; terminal and axillary. Panicle spiciform; linear; 15-30 cm long. Primary panicle branches accrescent to a central axis; with sessile scars on axis. Panicle axis with rounded ribs; puberulous, or pubescent; bearing deciduous spikelet clusters. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; 20-30 mm long; base obtuse; base 0.5 mm long. Involucral bristles deciduous with the fertile spikelets; numerous; 20-30 mm long; terete; flexible; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 5-6 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; 5-6 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes dissimilar; shorter than spikelet; thinner than fertile lemma. Lower glume oblong; 0.25 length of spikelet; hyaline; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume oblong; 2.5-3 mm long; 0.5 length of spikelet; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Basal sterile florets male, or barren; with palea, or without significant palea. Lemma of lower sterile floret elliptic; 1 length of spikelet; chartaceous; 5 -veined; acuminate. Fertile lemma lanceolate; 5-6 mm long; chartaceous; without keel. Lemma margins flat. Lemma apex acuminate. Palea chartaceous.
    Flowers
    Anthers 3; anther tip apiculate.
    Distribution
    Asia-tropical: Malesia and Papuasia. Pacific: southwestern and north-central.
    Reference
    Paniceae. Reeder 1993.

    Images

    Distribution

    Native to:

    Bismarck Archipelago, Borneo, Jawa, Lesser Sunda Is., New Guinea, Solomon Is.

    Introduced into:

    Cook Is., Fiji, Hawaii, Niue

    Cenchrus elegans (Hassk.) Veldkamp appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Kurz [506] Pennisetum macrostachyum K000290600
    Labillardiere [s.n.] Pennisetum macrostachyum K000290599 Unknown type material

    First published in Blumea 59: 68 (2014)

    Literature

    Kew Backbone Distributions
    • Sykes, W.R. (2016). Flora of the Cook Islands: 1-973. National Tropical Botanical Garden, Hawaii.
    • Veldkamp, J.F. (2014). A revision of Cenchrus incl. Pennisetum (Gramineae) in Malesia with some general nomenclatural notes Blumea 59: 59-75.
    • Girmansyah, D. & al. (eds.) (2013). Flora of Bali an annotated checklist: 1-158. Herbarium Bogorensis, Indonesia.
    • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
    • Peekel, P.G. (1984). Flora of the Bismarck Archipelago for Naturalists: 1-638. Office of Forests, Division of Botany, Lae, Papua New Guinea.
    • Henty, E.E. (1969). A manual of the grasses of New Guinea: 1-215. Division of Botany, Dpt. of Forests, LAE, New Guinea.
    • Masamune, G. (1942). Enumeratio phanerogamarum Bornearum: 1-739. Taihoku, Formosa.

    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