1. Family: Poaceae Barnhart
    1. Genus: Cortaderia Stapf
      1. Cortaderia vaginata Swallen

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 80 cm long. Leaves mostly basal. Leaf-sheaths 10-22 cm long; keeled; smooth; glabrous on surface. Ligule a fringe of hairs. Leaf-blades 5 mm wide. Leaf-blade margins scabrous. Leaf-blade apex attenuate.
    Inflorescences
    Gynodioecious (male, in this context, indicating the bisexual state). Inflorescence a panicle. Panicle open; ovate; loose; 15 cm long. Primary panicle branches ascending, or spreading. Panicle branches smooth, or scaberulous. Spikelets solitary. Fertile spikelets pedicelled. Male inflorescence terminal (but details unknown).
    Spikelets
    Spikelets comprising 3 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 8-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pilose. Floret callus hairs 2-3 mm long.
    Fertile
    Spikelets comprising 3 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 8-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pilose. Floret callus hairs 2-3 mm long.
    Glume
    Glumes similar; shorter than spikelet; similar to fertile lemma in texture. Lower glume lanceolate; 5-6 mm long; 1 length of upper glume; hyaline; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex attenuate. Upper glume lanceolate; 5-6 mm long; 0.66 length of adjacent fertile lemma; hyaline; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex attenuate.
    Florets
    Fertile florets female. Fertile lemma lanceolate; 7-9 mm long; hyaline; without keel; 3 -veined. Lemma apex setaceously attenuate. Palea 5 mm long; 0.66 length of lemma; hyaline; 2 -veined. Palea keels scabrous. Palea apex dentate; 2 -fid. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; cuneate; fleshy.
    Male
    Male inflorescence terminal (but details unknown).
    Distribution
    South America: Brazil.
    Reference
    Arundineae. Swallen 1997.

    Images

    Distribution

    Native to:

    Brazil South

    Cortaderia vaginata Swallen appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Sep 29, 2011 Hatschbach, G. [78235], Brazil K001055182
    Jan 1, 2008 Hatschbach, G. [72539], Brazil K000709655

    First published in Sellowia 7: 9 (1956)

    Accepted by

    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • 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