1. Family: Poaceae Barnhart
    1. Genus: Merostachys Spreng.
      1. Merostachys scandens Send.

        This species is accepted, and its native range is Brazil (São Paulo, Rio de Janeiro).

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short; pachymorph. Culms scandent; pendulous at the tip; 600 cm long; 10-30 mm diam.; woody. Culm-internodes terete; thin-walled; grey and dark green; striped. Culm-nodes pubescent. Lateral branches dendroid. Branch complement many; flabellate; thinner than stem. Culm-sheaths deciduous; 15-25 cm long; 3 times as long as wide; glabrous; glabrous on margins; setose on shoulders; shoulders with curved hairs. Culm-sheath ligule 1 mm high. Culm-sheath blade linear; deciduous; reflexed; 8-12 cm long; 4-5 mm wide; attenuate. Leaves 5-6 per branch. Leaf-sheaths tight; transversely wrinkled; glabrous on surface; outer margin glabrous. Leaf-sheath oral hairs ciliate; deciduous; 3 mm long. Ligule a ciliolate membrane; 0.8 mm long. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.25 cm long; petiole pubescent. Leaf-blades lanceolate; 3.5-10 cm long; 8-14 mm wide; glaucous. Leaf-blade venation with 4-6 secondary veins; without cross veins. Leaf-blade surface scaberulous; rough adaxially; glabrous. Leaf-blade margins scaberulous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; unilateral; 5-6 cm long; bearing 17-18 fertile spikelets on each. Rhachis angular; pubescent on surface; terminating in a sterile spikelet. Spikelet packing broadside to rhachis; contiguous; regular. Spikelets spreading; solitary. Fertile spikelets pedicelled. Pedicels oblong.
    Sterile
    Apical sterile spikelets rudimentary.
    Spikelets
    Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 13-14 mm long; 3 mm wide; breaking up at maturity; disarticulating below each fertile floret. Apical sterile spikelets rudimentary.
    Fertile
    Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 13-14 mm long; 3 mm wide; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; shorter than spikelet. Lower glume lanceolate; 4.5-5 mm long; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface puberulous. Lower glume apex attenuate. Upper glume elliptic; 9-10 mm long; chartaceous; 15 -veined. Upper glume primary vein pubescent. Upper glume surface scabrous; rough above. Upper glume margins ciliolate. Upper glume apex acuminate; awned; 1 -awned. Upper glume awn 1 mm long.
    Florets
    Fertile lemma elliptic; 11 mm long; 5-5.5 mm wide; chartaceous; without keel; 19-23 -veined. Lemma lateral veins transversely connected at apex. Lemma surface pubescent. Lemma margins ciliate. Palea linear; 11 mm long; chartaceous; 12 -veined. Palea keels contiguous above a sulcus; ciliolate. Apical sterile florets 1 in number; rudimentary.
    Flowers
    Lodicules 3. Anthers 3. Stigmas 2.
    Fruits
    Caryopsis with free brittle pericarp.
    Distribution
    South America: Brazil.
    Reference
    Bambuseae. Sendulsky 2001.

    Images

    Distribution

    Native to:

    Brazil Southeast

    Merostachys scandens Send. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Sendulsky, T. [1319], São Paulo K000975136 isotype
    Sendulsky, T. [1319], São Paulo K000975137 isotype

    First published in Novon 5: 92 (1995)

    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 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