1. Family: Poaceae Barnhart
    1. Genus: Pariana Aubl.
      1. Pariana swallenii R.C.Foster

        This species is accepted, and its native range is W. South America.

    [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
    Colombia
    [GB]
    Habit
    Perennial. Culms erect; 56-68 cm long. Leaves cauline. Leaf-sheaths glabrous on surface, or puberulous. Leaf-sheath oral hairs setose; 5-15 mm long. Ligule an eciliate membrane; 5 mm long. Leaf-blade base cuneate; with a brief petiole-like connection to sheath. Leaf-blades ovate; 18-29 cm long; 55-65 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
    Inflorescences
    Monoecious; with male and female spikelets in the same inflorescence. Synflorescence on a separate leafless culm. Inflorescence composed of racemes. Racemes 1; single; erect; multilateral; 14.5 cm long. Rhachis fragile at the nodes; terminating in a spikelet. Rhachis internodes linear. Sexes mixed (in a cluster at each node). Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Male spikelets pedicelled; 5 in a cluster. Involucre composed of imperfect spikelets (male); with pedicels forming a cup; oblong. Pedicels fused to each other; united along margins; oblong; flattened; 1-4.8 mm long; ciliate; hairy at base; tip rectangular.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; compressed slightly; 7.3-9.3 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes similar; exceeding apex of florets; thinner than fertile lemma. Lower glume ovate; 7.3-9.3 mm long; 1 length of upper glume; chartaceous; 1-keeled. Lower glume apex acute. Upper glume ovate; 7.3-9.3 mm long; chartaceous; 1-keeled. Upper glume apex acute.
    Florets
    Fertile florets female. Fertile lemma ovate; 6.5-7.5 mm long; coriaceous; without keel. Lemma apex acute. Palea coriaceous.
    Flowers
    Lodicules 3. Stigmas 2.
    Spikelets
    Male spikelets distinct from female; 1 flowered; deciduous with the fertile; ovate; 4.5-8.5 mm long; acute. Male spikelet glumes 2; triangular; 1.8-4.8 mm long; muticous. Male spikelet lemma 4.5-8.5 mm long; muticous. Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; compressed slightly; 7.3-9.3 mm long; falling entire; deciduous with accessory branch structures.
    Male
    Male spikelets distinct from female; 1 flowered; deciduous with the fertile; ovate; 4.5-8.5 mm long; acute. Male spikelet glumes 2; triangular; 1.8-4.8 mm long; muticous. Male spikelet lemma 4.5-8.5 mm long; muticous.
    Distribution
    South America: western South America.
    Reference
    Parianeae. Gr Bolivia 1997.

    Distribution

    Native to:

    Bolivia, Colombia, Ecuador, Peru

    Pariana swallenii R.C.Foster appears in other Kew resources:

    First published in Rhodora 68: 239 (1966)

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

    Literature

    Kew Backbone Distributions
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • GBIF (2008- continuously updated). Global Biodiversity Information Facility http://www.gbif.org/.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.

    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