1. Family: Poaceae Barnhart
    1. Genus: Chusquea Kunth
      1. Chusquea deficiens Parodi

        This species is accepted, and its native range is Central Bolivia to Argentina (Jujuy, Salta).

    [GB]
    Habit
    Perennial. Rhizomes short; pachymorph. Culms leaning; 300-400 cm long; 7-8 mm diam.; woody. Culm-internodes terete; solid; 10-25 cm long; distally glabrous. Lateral branches dendroid. Branch complement several; in a clump; with 1 branch dominant; thinner than stem. Leaves 2-3 per branch. Leaf-sheaths outer margin hairy. Leaf-sheath oral hairs ciliate. Ligule an eciliate membrane; 1 mm long. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.1-0.2 cm long; petiole pilose. Leaf-blades lanceolate; 4-9 cm long; 4-8 mm wide. Leaf-blade venation without cross veins. Leaf-blade surface scabrous; rough adaxially; glabrous, or puberulous; hairy abaxially. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle; exserted, or embraced at base by subtending leaf. Panicle open; pyramidal; 5-7 cm long. Panicle axis puberulous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 2-4 mm long.
    Spikelets
    Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 11-12 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 11-12 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes both absent or obscure, or two; persistent; similar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.2 mm long; 1 length of upper glume; hyaline; without keels. Lower glume apex obtuse. Upper glume ovate; 0.2 mm long; 0.02 length of adjacent fertile lemma; without keels. Upper glume apex obtuse.
    Florets
    Basal sterile florets similar; barren; without significant palea; attached to and deciduous with the fertile. Lemma of lower sterile floret ovate; 5.5-6 mm long; 0.5 length of fertile lemma; chartaceous; 3 -veined; puberulous; hairy above; acuminate; awned. Awn of lower sterile floret 1-2 mm long. Lemma of upper sterile floret ovate; 5.5-6 mm long; 1 length of lower sterile floret; chartaceous; pubescent; acuminate; awned. Awn of upper sterile floret 1-2 mm long. Fertile lemma lanceolate; 10 mm long; coriaceous; without keel; 7-9 -veined. Lemma surface puberulous; hairy above. Lemma apex acuminate; mucronate, or awned; 1 -awned. Principal lemma awn 0.5-1 mm long overall. Palea 4-6 -veined. Palea apex with excurrent keel veins.
    Flowers
    Lodicules 3; membranous; veined; ciliate. Anthers 3; 4-5 mm long. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp; apex unappendaged.
    Distribution
    South America: southern South America.
    Reference
    Bambuseae. Parodi 1996.

    Distribution

    Native to:

    Argentina Northwest, Bolivia

    Chusquea deficiens Parodi appears in other Kew resources:

    First published in Revista Argent. Agron. 8: 335 (1941)

    Accepted by

    • Guerreiro, C. , Peichoto, M.C. & Vega, A.S. (2016). New records of Chusquea (Poaceae: Bambusoideae: Bambuseae) in Bolivia Kew Bulletin 71(54): 1-4.
    • 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
    • Guerreiro, C. , Peichoto, M.C. & Vega, A.S. (2016). New records of Chusquea (Poaceae: Bambusoideae: Bambuseae) in Bolivia Kew Bulletin 71(54): 1-4.
    • 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.

    Sources

    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