1. Family: Poaceae Barnhart
    1. Genus: Pariana Aubl.
      1. Pariana aurita Swallen

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

    [GB]
    Habit
    Perennial. Rhizomes short. Culms erect; 80-90 cm long. Leaves cauline. Ligule an eciliate membrane; 10-15 mm long. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades oblong; 10-25 cm long; 5-7 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; 5-7 cm long; 10 mm wide. 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; 3-4 mm long; pubescent; tip rectangular.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; compressed slightly; 2.5-3 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 2.5-3 mm long; 1 length of upper glume; chartaceous; 1-keeled. Lower glume apex acute. Upper glume ovate; 2.5-3 mm long; chartaceous; 1-keeled. Upper glume apex acute.
    Florets
    Fertile florets female. Fertile lemma ovate; 2.5-3 mm long; coriaceous; without keel. Lemma apex acute. Palea coriaceous.
    Flowers
    Lodicules 3. Anthers 15; 2.5 mm long. Stigmas 2.
    Spikelets
    Male spikelets distinct from female; 1 flowered; deciduous with the fertile; oblong; 4 mm long; acute. Male spikelet glumes 2; linear, or lanceolate; 2.5-3 mm long; awned (1mm). Male spikelet lemma 4 mm long; muticous. Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; compressed slightly; 2.5-3 mm long; falling entire; deciduous with accessory branch structures.
    Male
    Male spikelets distinct from female; 1 flowered; deciduous with the fertile; oblong; 4 mm long; acute. Male spikelet glumes 2; linear, or lanceolate; 2.5-3 mm long; awned (1mm). Male spikelet lemma 4 mm long; muticous.
    Distribution
    South America: western South America.
    Reference
    Parianeae. Gr Peru 1997.

    Images

    Distribution

    Pariana aurita Swallen appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mexia, Y. [6116], Peru K000433402 isotype
    Mexia, Y. [6116], Peru K000433403 isotype

    First published in J. Washington Acad. Sci. 30: 73 (1940)

    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.
    • 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
    • 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