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

        This species is accepted, and its native range is S. Central & S. Chile to SW. Argentina.

    [GB]
    Habit
    Perennial. Culms leaning; 300 cm long; woody; without nodal roots. Culm-internodes terete. Lateral branches dendroid. Branch complement several. Leaves 10-12 per branch. Leaf-sheaths longer than adjacent culm internode. Leaf-sheath oral hairs ciliate. Ligule an eciliate membrane; 1.2-3 mm long; pubescent on abaxial surface. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades deciduous at the ligule; lanceolate; 6-13 cm long; 5-10 mm wide; herbaceous. Leaf-blade midrib indistinct. Leaf-blade venation with obscure cross veins. Leaf-blade surface pilose; sparsely hairy; hairy adaxially. Leaf-blade apex acute; filiform.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; ovate; 5-6.5 cm long; 1-1.5 cm wide. Panicle axis pubescent. Panicle branches pubescent. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 2-3 mm long; pubescent.
    Spikelets
    Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 7-9 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; 7-9 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet; thinner than fertile lemma. Lower glume oblong; 1 mm long; 0.5 length of upper glume; membranous; much thinner on margins; without keels; 0-1 -veined. Lower glume lateral veins absent. Lower glume surface pubescent. Lower glume apex obtuse. Upper glume oblong; 1.8-2 mm long; 0.25 length of adjacent fertile lemma; membranous; with scarious margins; without keels; 0-1 -veined. Upper glume primary vein absent, or obscure. Upper glume lateral veins absent. Upper glume surface pubescent. 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; 4.5-5.5 mm long; 0.66 length of fertile lemma; chartaceous; 1 -veined; without lateral veins; pubescent; hairy above; acute. Lemma of upper sterile floret ovate; 4.6-5.6 mm long; 1 length of lower sterile floret; chartaceous; pubescent; acute. Fertile lemma ovate; 7-7.5 mm long; coriaceous; without keel; 7 -veined. Lemma surface puberulous; hairy above. Lemma apex acuminate. Palea surface pubescent; hairy on back; hairy above.
    Flowers
    Lodicules 3; lanceolate; ciliate. Anthers 3; 4 mm long.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    South America: southern South America.
    Reference
    Bambuseae. Fl Pat 2010.

    Distribution

    Native to:

    Argentina South, Chile Central, Chile South

    Chusquea argentina Parodi appears in other Kew resources:

    First published in Revista Argent. Agron. 8: 339 (1941)

    Accepted by

    • Guerreiro, C. & Rúgolo de Agrasar, Z.E. (2014). Revalidation of Chusquea argentina (Poaceae, Bambusoideae, Bambuseae) on the basis of morphological, anatomical and phenologial characters Phytotaxa 158: 265-274.

    Not 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. [Cited as Chusquea culeou.]

    Literature

    Kew Backbone Distributions
    • Guerreiro, C. & Rúgolo de Agrasar, Z.E. (2014). Revalidation of Chusquea argentina (Poaceae, Bambusoideae, Bambuseae) on the basis of morphological, anatomical and phenologial characters Phytotaxa 158: 265-274.

    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