1. Family: Poaceae Barnhart
    1. Genus: Andropogon L.
      1. Andropogon scabriglumis Swallen

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 70-80 cm long. Lateral branches sparse. Leaf-sheaths keeled; glabrous on surface. Ligule an eciliate membrane; 1 mm long. Leaf-blades 18-20 cm long; 4-5 mm wide. Leaf-blade surface glabrous. Leaf-blade margins scabrous. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 2; paired; 3-5 cm long. Rhachis fragile at the nodes; ciliate on margins. Rhachis hairs 2 mm long. Rhachis internodes clavate; 4 mm long. Rhachis internode tip transverse; cupuliform; with simple rim. Spikelets in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels clavate; 3 mm long; ciliate; with 2 mm long hairs.
    Sterile
    Companion sterile spikelets well-developed; male; lanceolate; 7 mm long; separately deciduous. Companion sterile spikelet glumes chartaceous; glabrous; acute; mucronate, or awned; one glume awned; with 0.5-1 mm long awn.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 6 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pubescent; base obtuse; inserted. Companion sterile spikelets well-developed; male; lanceolate; 7 mm long; separately deciduous. Companion sterile spikelet glumes chartaceous; glabrous; acute; mucronate, or awned; one glume awned; with 0.5-1 mm long awn.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 6 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pubescent; base obtuse; inserted.
    Glume
    Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1 length of spikelet; coriaceous; 2-keeled; keeled laterally. Lower glume primary vein scabrous. Lower glume intercarinal veins distinct. Lower glume surface flat, or concave. Upper glume linear; coriaceous; 1-keeled. Upper glume muticous.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret oblong; hyaline. Fertile lemma lanceolate; hyaline; without keel. Lemma apex lobed; 2 -fid; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 15-18 mm long overall; with twisted column. Column of lemma awn glabrous.
    Flowers
    Anthers 3.
    Distribution
    South America: western South America.
    Reference
    Andropogoneae. Swallen 1995.

    Images

    Distribution

    Native to:

    Ecuador

    Andropogon scabriglumis Swallen appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1955 Camp, W.H. [E-3472], Ecuador K000632876 isotype

    First published in Mem. New York Bot. Gard. 9: 144 (1955)

    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.

    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.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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