1. Family: Poaceae Barnhart
    1. Genus: Racemobambos Holttum
      1. Racemobambos raynalii Holttum

        This species is accepted, and its native range is New Guinea.

    [GB]
    Habit
    Perennial. Rhizomes elongated; pachymorph. Culms scandent; 6 mm diam.; woody. Culm-internodes terete; thin-walled; 15 cm long. Lateral branches dendroid. Branch complement several; in a clump; with subequal branches, or 1 branch dominant. Culm-sheaths without auricles. Leaves cauline. Leaf-sheath oral hairs setose; 5-10 mm long. Ligule a ciliolate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades linear, or lanceolate; 10-17 cm long; 4-8 mm wide. Leaf-blade surface glabrous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; bearing few fertile spikelets; bearing 4-8 fertile spikelets on each. Rhachis pilose on surface. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 5-8 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 35-45 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes flattened; 4 mm long; glabrous.
    Fertile
    Spikelets comprising 5-8 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 35-45 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes flattened; 4 mm long; glabrous.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume ovate; 4-5 mm long; 0.75 length of upper glume; membranous; without keels. Lower glume surface puberulous. Lower glume apex acute. Upper glume ovate; 5.5-6.5 mm long; 1.1 length of adjacent fertile lemma; membranous; without keels; 7 -veined. Upper glume surface puberulous; hairy at apex. Upper glume apex acute.
    Florets
    Fertile lemma ovate; 5 mm long; membranous; without keel; 7 -veined. Lemma margins pubescent. Lemma apex acute. Palea 5.5 mm long; 4-6 -veined. Palea keels ciliolate. Palea apex ciliate. Apical sterile florets distinct from fertile; 1 in number; rudimentary.
    Flowers
    Lodicules 3; 1-1.5 mm long; ciliate. Anthers 6; 3.5 mm long. Stigmas 3. Ovary umbonate; glabrous.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-tropical: Papuasia.
    Reference
    Bambuseae. Dransfield 2001.

    Images

    Distribution

    Native to:

    New Guinea

    Racemobambos raynalii Holttum appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Aug 1, 1999 Willis, F.R. [179], Indonesia 70000.161
    Raynal, J. [17642], Irian Jaya K000290753 isotype

    First published in Adansonia, n.s., 15: 95 (1975)

    Accepted by

    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy 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 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