1. Family: Poaceae Barnhart
    1. Genus: Arthrostylidium Rupr.
      1. Arthrostylidium fimbrinodum Judz. & L.G.Clark

        This species is accepted, and its native range is N. Brazil.

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short; pachymorph. Culms scandent; pendulous at the tip; 700 cm long; 4-12 mm diam.; woody. Culm-internodes terete; thick-walled; smooth, or scaberulous. Culm-nodes bearded. Lateral branches dendroid; extravaginal. Bud complement 1. Branch complement several; in a clump; subtended by a bare patch above the node; with 1 branch dominant; thinner than stem. Culm-sheaths 9-13 cm long; setose on shoulders; shoulders with 10 mm long hairs. Culm-sheath blade linear; deciduous; erect; 6-7 cm long. Leaves 9-21 per branch. Leaf-sheaths keeled; glabrous on surface, or puberulous; outer margin hairy. Leaf-sheath oral hairs setose; 3-6 mm long; dark. Ligule a ciliolate membrane; 0.2-0.3 mm long. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.07-0.1 cm long. Leaf-blades lanceolate; 2.5-11 cm long; 3-18 mm wide. Leaf-blade midrib indistinct. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; straight; bilateral; 2.5-3.5 cm long; bearing few fertile spikelets; bearing 2-5 fertile spikelets on each. Rhachis glabrous on surface. Spikelet packing broadside to rhachis; lax. Spikelets appressed; solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 2-4 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 8-13 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 2-3 mm long.
    Fertile
    Spikelets comprising 2-4 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 8-13 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 2-3 mm long.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 3-3.3 mm long; chartaceous; without keels; 1-3 -veined. Lower glume lateral veins absent, or distinct. Lower glume apex acuminate. Upper glume lanceolate; 4.2-4.8 mm long; 1-keeled; keeled above; 5-7 -veined. Upper glume apex acuminate; mucronate.
    Florets
    Fertile lemma lanceolate; 5.3-6.5 mm long; chartaceous; without keel; 7 -veined. Lemma apex acute; mucronate. Palea 1 length of lemma. Palea surface puberulous; hairy on back. Apical sterile florets 1 in number; rudimentary.
    Flowers
    Lodicules 3. Anthers 3. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    South America: Brazil.
    Reference
    Bambuseae. Jud. & Clarke 2001.

    Images

    Distribution

    Native to:

    Brazil North

    Arthrostylidium fimbrinodum Judz. & L.G.Clark appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 1, 2013 Calderon, C.E. [2970], Brazil K000947843
    Jun 1, 2013 Calderon, C.E. [2970], Brazil K000947842
    Jun 1, 2013 Calderon, C.E. [2867], Brazil K000947844
    Jun 1, 2013 Calderon, C.E. [2867], Brazil K000947845
    Jun 1, 2013 Calderon, C.E. [2867], Brazil K000947846
    Jun 1, 2013 Calderon, C.E. [2966], Brazil K000947847
    Jan 1, 2006 Calderon, C.E. [2894], Amazonas K000433120 isotype
    Jan 1, 2006 Calderon, C.E. [2894], Amazonas K000433121 isotype
    Jan 1, 2006 Calderon, C.E. [2894], Amazonas K000433122 isotype
    Jan 1, 2006 Prance, G.T. [5045], Brazil K000947848

    First published in Syst. Bot. 18: 84 (1993)

    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.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.

    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