1. Family: Poaceae Barnhart
    1. Genus: Racemobambos Holttum
      1. Racemobambos sessilis Widjaja

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

    [GB]
    Habit
    Perennial; caespitose; clumped loosely. Culms leaning; 2000 cm long; 5 mm diam.; woody. Culm-internodes terete; thick-walled; 40-50 cm long. Culm-nodes pubescent. Lateral branches dendroid. Branch complement several; with subequal branches, or 1 branch dominant. Culm-sheaths deciduous; 8.5-12.5 cm long; chartaceous; hispid; with white hairs, or black hairs; glabrous on margins, or hairy on margins; without auricles; setose on shoulders; shoulders with 10-12 mm long hairs. Culm-sheath ligule 0.5-1 mm high; entire. Culm-sheath blade lanceolate; as wide as sheath at base; erect; 1.3-6.5 cm long; 1-2 mm wide. Leaves cauline. Leaf-sheaths glabrous on surface; outer margin hairy. Leaf-sheath oral hairs setose; 8-13 mm long. Ligule an eciliate membrane; 0.5 mm long. Leaf-blades linear; 4.5-16.5 cm long; 3-5 mm wide. Leaf-blade surface glabrous.
    Inflorescences
    Inflorescence composed of racemes; bracteate at pedicel base; embraced at base by subtending leaf. Racemes 1; single; paucilateral; 3-4 cm long; bearing few fertile spikelets. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 5-8 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 24-28 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 2-3 mm long; pubescent.
    Fertile
    Spikelets comprising 5-8 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 24-28 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 2-3 mm long; pubescent.
    Glume
    Glumes one the lower absent or obscure; persistent; shorter than spikelet. Upper glume ovate; 8 mm long. Upper glume apex acute; mucronate.
    Florets
    Fertile lemma ovate; 8-10 mm long; chartaceous; without keel. Lemma apex acute; mucronate. Palea 6-7 length of lemma; 2 -veined; 2-keeled but the uppermost without keels (weakly). Apical sterile florets 1 in number; rudimentary.
    Flowers
    Lodicules absent. Anthers 6; 3 mm long; yellow. Stigmas 3. Ovary with a few apical hairs.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-tropical: Papuasia.
    Reference
    Bambuseae. Widjaja 2002.

    Images

    Distribution

    Native to:

    New Guinea

    Racemobambos sessilis Widjaja appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Oct 5, 2002 Widjaja, E.A. [6646], Irian Jaya K000872508 isotype
    Widjaja, E.A. [6646], Irian Jaya K000290748 isotype
    Widjaja, E.A. [6646], Irian Jaya K000290746 isotype
    Widjaja, E.A. [6646], Irian Jaya K000290747 isotype

    First published in Reinwardtia 11: 128 (1997)

    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