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

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

    [GB]
    Habit
    Perennial. Rhizomes elongated. Culms erect; robust; 200-250 cm long. Ligule an eciliate membrane. Leaf-blade base amplexicaul. Leaf-blades 10-30 cm long; 15-22 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
    Inflorescences
    Synflorescence compound; linear; 30-90 cm long. Inflorescence composed of racemes; terminal and axillary; subtended by a spatheole. Spatheole linear. Racemes 2-3; paired, or digitate; 2-3.5 cm long. Rhachis fragile at the nodes; villous on margins. Rhachis internodes linear. 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 linear; villous.
    Sterile
    Companion sterile spikelets well-developed; containing empty lemmas, or male; linear; 4-6 mm long; separately deciduous. Companion sterile spikelet glumes chartaceous; glabrous; acute; muticous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 4-5 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus base obtuse; inserted. Companion sterile spikelets well-developed; containing empty lemmas, or male; linear; 4-6 mm long; separately deciduous. Companion sterile spikelet glumes chartaceous; glabrous; acute; muticous.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 4-5 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus 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 intercarinal veins absent. Lower glume surface 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; 4-5 mm long; hyaline; without keel. Lemma apex lobed; 2 -fid; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 15-18 mm long overall; with a straight or slightly twisted column. Column of lemma awn glabrous.
    Distribution
    South America: western South America.
    Reference
    Andropogoneae. Gr Bolivia 1997.

    Distribution

    Native to:

    Bolivia

    Andropogon cordatus Swallen appears in other Kew resources:

    First published in Contr. U.S. Natl. Herb. 19: 274 (1948)

    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.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. 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 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