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

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

    [GB]
    Habit
    Perennial. Culms erect; 30-60 cm long. Lateral branches lacking. Leaves cauline; 10 per branch. Leaf-sheaths longer than adjacent culm internode; glandular (below throat); pubescent. Leaf-sheath oral hairs scanty. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.3 cm long; petiole pubescent. Leaf-blades oblong; 17-18 cm long; 30-43 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; oblong; multilateral; 6 cm long. Rhachis fragile at the nodes. Spikelet packing crowded. 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; 2.5 mm long; puberulous; hairy at base; 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; 1-2 -veined. Lower glume lateral veins absent, or obscure. Lower glume apex acute. Upper glume ovate; chartaceous. Upper glume apex acute.
    Florets
    Fertile florets female. Fertile lemma ovate; 4 mm long; coriaceous; without keel. Lemma apex acute. Palea 1 length of lemma; coriaceous; without keels.
    Flowers
    Lodicules 3. Stigmas 2.
    Spikelets
    Male spikelets distinct from female; 1 flowered; deciduous with the fertile; ovate; 4.5-5 mm long. Male spikelet glumes 2; ovate; 5-6 mm long; 1-2 -veined. Male spikelet lemma 4.5-5 mm long; with cross-veins. 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; ovate; 4.5-5 mm long. Male spikelet glumes 2; ovate; 5-6 mm long; 1-2 -veined. Male spikelet lemma 4.5-5 mm long; with cross-veins.
    Distribution
    South America: northern South America.
    Reference
    Parianeae. Swallen 2001.

    Distribution

    Native to:

    Brazil North, Venezuela

    Pariana pallida Swallen appears in other Kew resources:

    First published in Mem. New York Bot. Gard. 9: 268 (1957)

    Accepted by

    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • 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/.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.

    Sources

    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