1. Family: Poaceae Barnhart
    1. Genus: Pariana Aubl.
      1. Pariana tenuis Tutin

        This species is accepted, and its native range is Colombia to N. Brazil.

    [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
    Nativa en Colombia; Alt. 150 - 420 m.; Amazonia.
    Habit
    Hierba
    Conservation
    No Evaluada
    [GB]
    Habit
    Perennial; caespitose. Culms erect; 25-30 cm long. Leaves cauline. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.1 cm long; petiole glabrous. Leaf-blades lanceolate; 7-12 cm long; 30-50 mm wide. Leaf-blade surface smooth, or scaberulous; rough abaxially. Leaf-blade apex acute.
    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; 3.5 cm long; 5-6 mm wide. Rhachis fragile at the nodes; terminating in a sterile 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; with pedicels forming a cup; oblong. Pedicels fused to each other; united along margins; oblong; flattened; 3 mm long; pubescent; tip rectangular.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; compressed slightly; 4 mm long; falling entire; deciduous with accessory branch structures. Male spikelets distinct from female; 1 flowered; deciduous with the fertile; ovate; 3 mm long; hairy. Male spikelet glumes 2; linear; 2.5-3 mm long. Male spikelet lemma 3 mm long; 1 -veined.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; compressed slightly; 4 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 4 mm long; 1 length of upper glume; chartaceous; 1-keeled. Lower glume margins ciliate. Lower glume apex acute. Upper glume ovate; 4 mm long; 1 length of adjacent fertile lemma; chartaceous; 1-keeled. Upper glume margins ciliate. Upper glume apex acute.
    Florets
    Fertile florets female. Fertile lemma ovate; 4 mm long; coriaceous; without keel; 3 -veined. Lemma apex acute; pubescent. Palea coriaceous; without keels.
    Flowers
    Lodicules 3. Anthers 6. Stigmas 2.
    Male
    Male spikelets distinct from female; 1 flowered; deciduous with the fertile; ovate; 3 mm long; hairy. Male spikelet glumes 2; linear; 2.5-3 mm long. Male spikelet lemma 3 mm long; 1 -veined.
    Distribution
    South America: Brazil.
    Reference
    Parianeae. Tutin 1995.

    Images

    Distribution

    Native to:

    Brazil North, Colombia

    Pariana tenuis Tutin appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Feb 1, 1934 Spruce, R. [2919], Brazil K000433398 Unknown type material

    First published in J. Linn. Soc., Bot. 50: 348 (1936)

    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.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.

    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

    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 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