1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis curtoides (Rúgolo & Villav.) Govaerts

        This species is accepted, and its native range is Bolivia (La Paz).

    [GB]
    Habit
    Perennial; mat forming. Culms erect; 5-8 cm long. Culm-internodes smooth. Leaf-sheaths smooth. Ligule a ciliolate membrane; 2-5 mm long; acuminate. Leaf-blades aciculate; conduplicate; 1-3 cm long; 1.5 mm wide. Leaf-blade surface scabrous; rough adaxially.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; ovate; 1.5-2 cm long; 1 cm wide. Primary panicle branches 0.5-1 cm long. Panicle axis smooth. Panicle branches smooth, or scaberulous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 2-3.8 mm long; puberulous.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 6-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.8-1.2 mm long; 0.1 length of lemma.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 6-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.8-1.2 mm long; 0.1 length of lemma.
    Glume
    Glumes persistent; similar; reaching apex of florets; firmer than fertile lemma. Lower glume lanceolate; 6-6.5 mm long; 1 length of upper glume; membranous; yellow; 1-keeled; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume surface asperulous. Lower glume apex acuminate. Upper glume lanceolate; 6-6.5 mm long; membranous; yellow; 1-keeled; 3 -veined. Upper glume primary vein scabrous. Upper glume lateral veins prominent. Upper glume surface asperulous. Upper glume apex acuminate.
    Florets
    Fertile lemma lanceolate; 3.8-4.4 mm long; membranous; yellow; without keel; 5 -veined. Lemma surface scaberulous; rough above. Lemma apex dentate; 2 -fid, or 4 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0.25-0.33 way up back of lemma; geniculate; 6-6.2 mm long overall; not or scarcely exserted from spikelet; with twisted column. Palea 2.8-3 mm long. Rhachilla extension 1.2 mm long; pilose; with 1.5-1.6 mm long hairs.
    Flowers
    Lodicules 2. Anthers 3; linear, or oblong; 0.6-0.8 mm long. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    South America: western South America.
    Reference
    Aveneae. Villav 1996.

    Distribution

    Native to:

    Bolivia

    Calamagrostis curtoides (Rúgolo & Villav.) Govaerts appears in other Kew resources:

    First published in World Checkl. Seed Pl. 3(1): 10 (1999)

    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.

    Literature

    Kew Backbone Distributions
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.

    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 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