1. Family: Poaceae Barnhart
    1. Genus: Cortaderia Stapf
      1. Cortaderia hieronymi (Kuntze) N.P.Barker & H.P.Linder

        This species is accepted, and its native range is Ecuador to N. Argentina.

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Culms erect; 50-100 cm long; 3-5 -noded. Leaves mostly basal. Leaf-sheaths longer than adjacent culm internode. Ligule a fringe of hairs; 1-2 mm long. Leaf-blades involute; 10-60 cm long; 3-5 mm wide; coriaceous; stiff. Leaf-blade surface scabrous; rough on both sides. Leaf-blade margins scabrous. Leaf-blade apex attenuate; filiform.
    Inflorescences
    Gynodioecious (male, in this context, indicating the bisexual state). Inflorescence a panicle. Panicle contracted; linear, or lanceolate; 15-30 cm long; 4-8 cm wide. Primary panicle branches 5-12 cm long. Spikelets solitary. Fertile spikelets pedicelled. Male inflorescence bisexual similar to female.
    Spikelets
    Spikelets comprising 4-10 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 8-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 0.5 mm long. Floret callus elongated; 0.7-1 mm long; bearded; with longer hairs below. Floret callus hairs 0.4 length of lemma.
    Fertile
    Spikelets comprising 4-10 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 8-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 0.5 mm long. Floret callus elongated; 0.7-1 mm long; bearded; with longer hairs below. Floret callus hairs 0.4 length of lemma.
    Glume
    Glumes similar; shorter than spikelet; similar to fertile lemma in texture; shiny. Lower glume linear, or lanceolate; 5-7 mm long; 1-1.1 length of upper glume; hyaline; without keels; 0-1 -veined. Lower glume lateral veins absent. Lower glume apex entire, or dentate; 2 -fid; attenuate. Upper glume linear, or lanceolate; 5-7 mm long; 1 length of adjacent fertile lemma; 0.6 length of spikelet; hyaline; without keels; 0-1 -veined. Upper glume primary vein absent, or distinct. Upper glume lateral veins absent. Upper glume apex entire, or dentate; 2 -fid; attenuate.
    Florets
    Fertile florets female. Fertile lemma ovate; 5-5.5 mm long; hyaline; without keel; 5 -veined. Lemma surface villous. Lemma hairs 1.5-2 mm long. Lemma apex lobed; 2 -fid; with linear lobes; incised 0.5-0.6 of lemma length; awned; 3 -awned. Principal lemma awn from a sinus; curved; flat below; 16-40 mm long overall; without a column, or with a straight or slightly twisted column. Lateral lemma awns arising on apex of lobes; 10-25 mm long; shorter than principal. Palea lanceolate; 0.5 length of lemma; hyaline; 2 -veined. Palea keels villous. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; cuneate; fleshy; ciliate.
    Male
    Male inflorescence bisexual similar to female.
    Distribution
    South America: western South America and southern South America.
    Reference
    Arundineae. Conert.
    [GB]
    Habit
    Perennial; caespitose; clumped densely. Basal innovations flabellate. Culms erect; 100-130 cm long. Culm-nodes glabrous. Lateral branches lacking. Leaves mostly basal. Leaf-sheaths longer than adjacent culm internode. Ligule a fringe of hairs; 1.5-2 mm long. Leaf-blades involute; 40-60 cm long; 4-7 mm wide; coriaceous; stiff. Leaf-blade surface scabrous; rough on both sides. Leaf-blade margins scabrous. Leaf-blade apex attenuate; filiform.
    Inflorescences
    Gynodioecious (male, in this context, indicating the bisexual state). Inflorescence a panicle. Panicle contracted; lanceolate; 20-40 cm long; 6-10 cm wide. Primary panicle branches appressed; 2 -nate; 5-12 cm long; bearing spikelets almost to the base. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; angular; 1.5-5 mm long; scabrous. Male inflorescence bisexual similar to female.
    Spikelets
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 9-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 0.2 mm long. Floret callus elongated; 1-1.2 mm long; bearded; with longer hairs below. Floret callus hairs 1-1.5 mm long; 0.2 length of lemma.
    Fertile
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 9-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 0.2 mm long. Floret callus elongated; 1-1.2 mm long; bearded; with longer hairs below. Floret callus hairs 1-1.5 mm long; 0.2 length of lemma.
    Glume
    Glumes similar; shorter than spikelet; thinner than fertile lemma; shiny. Lower glume lanceolate; 8-10 mm long; 0.8-0.9 length of upper glume; hyaline; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex attenuate. Upper glume lanceolate; 9-12 mm long; 1.2 length of adjacent fertile lemma; 1 length of spikelet; hyaline; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex attenuate.
    Florets
    Fertile florets female. Fertile lemma lanceolate; 7-9.5 mm long; membranous; without keel; 5 -veined. Lemma surface villous; hairy below. Lemma hairs 3 mm long. Lemma apex lobed; 2 -fid; with linear lobes, or lanceolate lobes; with lobes 2-2.5 mm long; incised 0.25 of lemma length; awned; 3 -awned. Principal lemma awn from a sinus; curved; spreading; flat below; 20-25 mm long overall. Lateral lemma awns arising on apex of lobes; 10-15 mm long; shorter than principal. Palea 4.5-5 mm long; 0.5-0.6 length of lemma; hyaline; 2 -veined. Palea keels ciliolate. Palea surface pilose; hairy on back and on flanks. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; cuneate; fleshy; ciliate.
    Male
    Male inflorescence bisexual similar to female.
    Distribution
    South America: western South America.
    Reference
    Arundineae. Conert.

    Images

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Bolivia, Ecuador, Peru

    Cortaderia hieronymi (Kuntze) N.P.Barker & H.P.Linder appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2000 Laegaard, S. [19124], Ecuador Lamprothyrsus peruvianus K000709894
    Mar 1, 1991 Renvoize, S.A. [5100], Peru Lamprothyrsus peruvianus K000709899
    Jan 1, 1991 Laegaard, S. [55189], Ecuador Lamprothyrsus peruvianus K000709893
    Asplund, E. [11971], Peru Lamprothyrsus peruvianus K000709903
    Macbride [1205], Peru Lamprothyrsus peruvianus K000308607
    Macbride [1205], Peru Lamprothyrsus peruvianus K000308608
    Peterson, P.M. [9394], Ecuador Lamprothyrsus peruvianus K000709895
    Peterson, P.M. [13806], Peru Lamprothyrsus peruvianus K000709896
    Peterson, P.M. [15142], Peru Lamprothyrsus peruvianus K000709897
    Peterson, P.M. [14964], Peru Lamprothyrsus peruvianus K000709898
    Renvoize, S.A. [5104], Peru Lamprothyrsus peruvianus K000709900
    Renvoize, S.A. [4821], Peru Lamprothyrsus peruvianus K000709901
    Renvoize, S.A. [4821], Peru Lamprothyrsus peruvianus K000709902
    May 1, 1957 Steinbach, J [8171], Bolivia Lamprothyrsus hieronymi var. nervosus K000709883
    May 1, 1957 Steinbach, J [8171], Bolivia Lamprothyrsus hieronymi var. nervosus K000709884
    Jan 1, 1991 Nee, M. [39135], Bolivia Lamprothyrsus hieronymi K000709877
    Jan 1, 1984 Solomon [10936], Bolivia Lamprothyrsus hieronymi K000709889
    Jan 1, 1983 Beck, St. G. [9669], Bolivia Lamprothyrsus hieronymi K000709878
    Jan 1, 1957 Mandon, G. [1360], Bolivia Lamprothyrsus hieronymi K000709890
    Wood, J.R.I. [7662], Bolivia Lamprothyrsus hieronymi K000709876
    Wood, J.R.I. [21314], Bolivia Lamprothyrsus hieronymi K000709885
    Wood, J.R.I. [22510], Bolivia Lamprothyrsus hieronymi K000709886
    Wood, J.R.I. [14187], Bolivia Lamprothyrsus hieronymi K000709887
    Wood, J.R.I. [8845], Bolivia Lamprothyrsus hieronymi K000709888
    Hieronymus, G. [361], Argentina Lamprothyrsus hieronymi K000308610
    Fiebrig, K. [2099], Bolivia Lamprothyrsus hieronymi K000308605
    Fiebrig, K. [2372], Bolivia Lamprothyrsus hieronymi K000308606
    Venturi, S. [2534], Argentina Lamprothyrsus hieronymi K000308609
    Beck, St. G. [14094], Bolivia Lamprothyrsus hieronymi K000709879
    Beck, St. G. [14308], Bolivia Lamprothyrsus hieronymi K000709892
    O.M.R. [371], Bolivia Lamprothyrsus hieronymi K000709880
    O.M.R. [354], Bolivia Lamprothyrsus hieronymi K000709881
    Garcia [563], Bolivia Lamprothyrsus hieronymi K000709891
    Coro-Rojas [1467], Bolivia Lamprothyrsus hieronymi K000709882

    First published in Ann. Missouri Bot. Gard. 97: 342 (2010)

    Literature

    Kew Backbone Distributions
    • Testoni, D. (2016). Estudios en el género Cortaderia (Poaceae). III. Cortaderia peruviana. nuevo sinónimo de C. hieronymi Boletín de la Sociedad Argentina de Botánica 51: 359-365.
    • 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.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. 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.

    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