1. Family: Poaceae Barnhart
    1. Genus: Pariana Aubl.
      1. Pariana ecuadorensis Pilg.

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

    [GB]
    Habit
    Perennial. Culms erect; 20-40 cm long. Culm-internodes 4-9 cm long. Lateral branches lacking. Leaves cauline; 5 per branch. Leaf-sheath oral hairs setose; 10-20 mm long. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades oblong, or ovate; 6-11 cm long; 20-35 mm wide. Leaf-blade margins scabrous. 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; oblong; multilateral; 9.5 cm long. Rhachis fragile at the nodes; flattened. Spikelet packing crowded. Rhachis internodes 5.5 mm long. Sexes mixed (in a cluster at each node). Spikelets appressed; 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; cuneate; flattened; 3 mm long; puberulous; hairy at base; hairy on surface and margins; tip rectangular.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 5 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; chartaceous; without keels; 1 -veined. Lower glume apex acute. Upper glume ovate; chartaceous; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile florets female. Fertile lemma ovate; 4 mm long; coriaceous; without keel; 3 -veined. Lemma apex acute. Palea 1 length of lemma; coriaceous; 4 -veined; without keels.
    Flowers
    Lodicules 3. Anthers 20. Stigmas 2.
    Spikelets
    Male spikelets distinct from female; 1 flowered; deciduous with the fertile; elliptic; 5.5 mm long. Male spikelet glumes 2; ovate; 3-3.5 mm long. Male spikelet lemma 6-7 mm long; 7 -veined. Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 5 mm long; falling entire; deciduous with accessory branch structures.
    Male
    Male spikelets distinct from female; 1 flowered; deciduous with the fertile; elliptic; 5.5 mm long. Male spikelet glumes 2; ovate; 3-3.5 mm long. Male spikelet lemma 6-7 mm long; 7 -veined.
    Distribution
    South America: western South America.
    Reference
    Parianeae. Pilger 2001.

    Images

    Distribution

    Native to:

    Brazil North, Ecuador, Peru

    Pariana ecuadorensis Pilg. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 4, 1996 Krukoff, B.A. [6949], Brazil K000947293

    First published in Notizbl. Bot. Gart. Berlin-Dahlem 14: 323 (1939)

    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.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Tropicos.org (2009-continuously updated). Tropicos.org. Missouri Botanical Garden http://www.tropicos.org/.

    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 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