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  1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis divergens Swallen

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 50 cm long. Culm-internodes distally glabrous. Leaf-sheaths subequal to internodes; glabrous on surface. Ligule an eciliate membrane; 2 mm long; erose. Leaf-blades 15-20 cm long; 5-6 mm wide. Leaf-blade surface glabrous. Leaf-blade margins scabrous. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong, or ovate; 11-12 cm long; 6 cm wide. Primary panicle branches ascending; 4-5 cm long. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1.3 mm long; glabrous.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 3.2-3.7 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.5 mm long; 0.1-0.15 length of lemma.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 3.2-3.7 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.5 mm long; 0.1-0.15 length of lemma.
    Glume
    Glumes persistent; similar; reaching apex of florets; firmer than fertile lemma; gaping. Lower glume lanceolate; 3.2-3.7 mm long; 1 length of upper glume; membranous; purple; 1-keeled. Lower glume apex acute. Upper glume lanceolate; 3.2-3.7 mm long; 1.1 length of adjacent fertile lemma; membranous; purple; 1-keeled. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 3 mm long; membranous; without keel; 5 -veined. Lemma surface scaberulous. Lemma apex erose; awned; 1 -awned. Principal lemma awn dorsal; arising 0.2 way up back of lemma; straight; 3 mm long overall; with twisted column. Palea 2.5 mm long. Palea keels approximate; scabrous. Rhachilla extension 1 mm long; pubescent.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    South America: western South America.
    Reference
    Aveneae. Swallen 2004.
    [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
    Endémica y nativa en Colombia; Alt. 3000 - 3500 m.; Andes.
    Habit
    Hierba
    Conservation
    No Evaluada

    Distribution

    Native to:

    Colombia

    Other Data

    Calamagrostis divergens Swallen appears in other Kew resources:

    Bibliography

    First published in Contr. U.S. Natl. Herb. 29: 262 (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.

    Literature

    Kew Backbone Distributions

    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.

    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 2020. 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 2020. 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