1. Family: Poaceae Barnhart
    1. Genus: Oldeania Stapleton
      1. Oldeania madagascariensis (A.Camus) D.Z.Li, Y.X.Zhang & Haev.

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

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 200-400 cm long; woody. Culm-internodes terete; thin-walled. Lateral branches dendroid. Leaf-sheaths striately veined; glabrous on surface. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades linear, or lanceolate; 6 cm long; 3-4 mm wide. Leaf-blade venation with 24-28 secondary veins; with distinct cross veins. Leaf-blade surface scaberulous; rough adaxially; pilose; hairy abaxially. Leaf-blade margins scaberulous. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence a panicle. Panicle open. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 32-35 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes clavate; pilose; hairy at tip.
    Fertile
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 32-35 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes clavate; pilose; hairy at tip.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume ovate; 4.5 mm long; chartaceous; 5-7 -veined. Lower glume lateral veins with cross-veins. Lower glume surface glabrous. Lower glume margins ciliolate. Lower glume apex acuminate. Upper glume ovate; 6.5 mm long; chartaceous; 11 -veined. Upper glume surface glabrous. Upper glume margins ciliolate. Upper glume apex acuminate.
    Florets
    Fertile lemma ovate; 10 mm long; without keel; 9-11 -veined. Lemma lateral veins with cross-veins. Lemma surface glabrous. Lemma apex acuminate. Palea 9 mm long. Palea keels ciliolate; adorned above. Palea apex dentate; 2 -fid. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 3; membranous; ciliate. Anthers 3. Stigmas 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Africa: western Indian ocean.
    Reference
    Bambuseae. Camus 2002.

    Images

    Distribution

    Native to:

    Madagascar

    Oldeania madagascariensis (A.Camus) D.Z.Li, Y.X.Zhang & Haev. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Perrier de la Bâthie, J.M.H.A. [10778], Madagascar Arundinaria madagascariensis K000345511

    First published in J. Syst. Evol. 55: 463 (2017)

    Accepted by

    • Govaerts, R. (2019). World Checklist of Vascular Plants (WCVP Database) The Board of Trustees of the Royal Botanic Gardens, Kew.

    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 2020. 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 2020. 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