1. Family: Poaceae Barnhart
    1. Genus: Pariana Aubl.
      1. Pariana gracilis Döll

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

    [GB]
    Habit
    Perennial. Culms geniculately ascending; slender; 30-40 cm long. Leaves cauline. Leaf-sheath oral hairs lacking. Leaf-sheath auricles erect. Ligule an eciliate membrane; 2-2.5 mm long. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate, or oblong; 10-15 cm long; 20-25 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; 8 cm long. 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; 2.5-3 mm long; puberulous; tip rectangular.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; compressed slightly; 5 mm long; falling entire; deciduous with accessory branch structures. Male spikelets distinct from female; 1 flowered; deciduous with the fertile; ovate; 4-4.5 mm long. Male spikelet glumes 2; lanceolate; 2-3 mm long. Male spikelet lemma 4-4.5 mm long; without cross-veins, or with cross-veins.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; compressed slightly; 5 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes similar; exceeding apex of florets; thinner than fertile lemma. Lower glume ovate; 5 mm long; 1 length of upper glume; chartaceous; 1-keeled. Lower glume apex acute. Upper glume ovate; 5 mm long; 1.2 length of adjacent fertile lemma; chartaceous; 1-keeled. Upper glume apex acute.
    Florets
    Fertile florets female. Fertile lemma ovate; 4 mm long; coriaceous; without keel; 3 -veined. Lemma apex acute. Palea coriaceous; without keels.
    Flowers
    Lodicules 3. Stigmas 2.
    Male
    Male spikelets distinct from female; 1 flowered; deciduous with the fertile; ovate; 4-4.5 mm long. Male spikelet glumes 2; lanceolate; 2-3 mm long. Male spikelet lemma 4-4.5 mm long; without cross-veins, or with cross-veins.
    Distribution
    South America: western South America and Brazil.
    Reference
    Parianeae. Tutin 1995.

    Images

    Distribution

    Native to:

    Bolivia, Brazil North, Peru

    Pariana gracilis Döll appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 3, 1996 Richards, P.W. [6959], Brazil K000947290
    Apr 2, 1996 Prance, G.T. [5127], Brazil K000947291
    Spruce, R. [1787], Brazil K000433395 Unknown type material
    Swallen, J.R. [3599], Maranhão K000433394 Unknown type material

    First published in C.F.P.von Martius & auct. suc. (eds.), Fl. Bras. 2(2): 337 (1877)

    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.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    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