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

        This species is accepted, and its native range is Colombia, Peru.

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Culms 25-40 cm long. Lateral branches lacking. Leaves mostly basal. Leaf-sheaths glabrous on surface. Ligule a fringe of hairs. Leaf-blades 5-12 cm long; 3-6 mm wide; stiff. Leaf-blade surface glabrous. Leaf-blade apex pungent.
    Inflorescences
    Gynodioecious (male, in this context, indicating the bisexual state). Inflorescence a panicle. Panicle spiciform; oblong, or ovate; 5-7 cm long. Spikelets solitary. Fertile spikelets pedicelled. Male inflorescence bisexual, similar to female.
    Spikelets
    Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 23-25 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; bearded.
    Fertile
    Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 23-25 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; bearded.
    Glume
    Glumes similar; exceeding apex of florets; similar to fertile lemma in texture; gaping. Lower glume lanceolate; 23-25 mm long; 1 length of upper glume; membranous; without keels; 3 -veined. Lower glume apex acute. Upper glume lanceolate; 23-25 mm long; 1.5-1.6 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume apex acute.
    Florets
    Fertile florets female. Fertile lemma ovate; 14-16 mm long; membranous; without keel. Lemma surface villous. Lemma apex lobed; 2 -fid; with filiform lobes; incised 0.5 of lemma length; awned; 1 -awned. Principal lemma awn from a sinus; 13-15 mm long overall. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; cuneate; fleshy. Anthers 3.
    Fruits
    Caryopsis with adherent pericarp.
    Male
    Male inflorescence bisexual, similar to female.
    Distribution
    South America: western South America.
    Reference
    Arundineae. Gr Peru 1997.
    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Nativa en Colombia; Alt. 3000 - 3500 m.; Andes.
    Habit
    Hierba
    Conservation
    No Evaluada

    Distribution

    Native to:

    Colombia, Peru

    Cortaderia planifolia Swallen appears in other Kew resources:

    First published in Contr. U.S. Natl. Herb. 23: 253 (1948)

    Accepted by

    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    Literature

    Kew Backbone Distributions
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    Sources

    Catálogo de Plantas y Líquenes de Colombia
    http://creativecommons.org/licenses/by-nc-sa/3.0

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/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