1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis fuscata (J.Presl) Steud.

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 25-50 cm long. Leaves mostly basal. Leaf-sheaths 1.5-8 cm long; smooth, or scaberulous; glabrous on surface. Ligule an eciliate membrane; 2-2.5 mm long; truncate. Leaf-blades involute; 5-25 cm long; 1-2 mm wide; coriaceous. Leaf-blade surface scabrous; rough on both sides.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 5-9 cm long. Primary panicle branches appressed, or ascending. Spikelets solitary. Fertile spikelets pedicelled. Pedicels pubescent.
    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 0.5-1 mm long.
    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 0.5-1 mm long.
    Glume
    Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1 length of upper glume; membranous; purple; 1-keeled; 1 -veined. Lower glume primary vein ciliolate. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 6-6.5 mm long; 1.2-1.4 length of adjacent fertile lemma; membranous; purple; 1-keeled. Upper glume primary vein ciliolate. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 4.2-5.3 mm long; membranous; without keel. Lemma surface scabrous. Lemma apex erose; truncate; awned; 1 -awned. Principal lemma awn dorsal; arising 0.25-0.5 way up back of lemma; geniculate; 6-7.5 mm long overall; with twisted column. Rhachilla extension 2-2.5 mm long; pilose; with 1-1.8 mm long hairs.
    Flowers
    Lodicules 2. Anthers 3. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    South America: western South America.
    Reference
    Aveneae. Tovar 1995.

    Distribution

    Native to:

    Bolivia, Ecuador, Peru

    Calamagrostis fuscata (J.Presl) Steud. appears in other Kew resources:

    First published in Nomencl. Bot., ed. 2, 1: 250 (1840)

    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.
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
    • 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.

    Literature

    Kew Backbone Distributions
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
    • 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

    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