1. Family: Poaceae Barnhart
    1. Genus: Pariana Aubl.
      1. Pariana parvispica R.W.Pohl

        This species is accepted, and its native range is Nicaragua to Costa Rica.

    [GB]
    Habit
    Perennial; caespitose. Rhizomes elongated. Culms arching; 35-50 cm long; 1-2 mm diam. Culm-internodes thin-walled; distally with pubescent line. Culm-nodes pubescent. Lateral branches lacking. Leaves cauline; 6-13 per branch; distichous. Leaf-sheaths glabrous on surface; outer margin hairy. Leaf-sheath oral hairs setose; 6-12 mm long; dark. Ligule a ciliolate membrane; 0.2-0.3 mm long. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.1-0.2 cm long; petiole pubescent. Leaf-blades lanceolate; 9-13 cm long; 20-30 mm wide.
    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; linear; multilateral; 3 cm long. Rhachis fragile at the nodes; subterete; terminating in a sterile spikelet. Rhachis internodes linear; 9 mm long. Rhachis internode tip cupuliform. 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 long tube; oblong; 9-10 mm long; base obconical. Pedicels fused to each other; united along margins; oblong; flattened; 8 mm long; glabrous; tip rectangular.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; compressed slightly; 8 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume oblong; 8 mm long; 1 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume margins ciliolate. Lower glume apex obtuse. Upper glume oblong; 8 mm long; chartaceous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile florets female. Fertile lemma oblong; 8 mm long; coriaceous; without keel. Lemma apex acute. Palea 1 length of lemma; coriaceous; 2 -veined; without keels.
    Flowers
    Lodicules 3; 1-1.5 mm long; veined. Anthers 2. Stigmas 2; terminally exserted. Ovary glabrous.
    Spikelets
    Male spikelets distinct from female; 1 flowered; deciduous with the fertile; ovate; 1.5 mm long; hairy. Male spikelet glumes 2. Male spikelet lemma 1.5 mm long. Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; compressed slightly; 8 mm long; falling entire; deciduous with accessory branch structures.
    Male
    Male spikelets distinct from female; 1 flowered; deciduous with the fertile; ovate; 1.5 mm long; hairy. Male spikelet glumes 2. Male spikelet lemma 1.5 mm long.
    Distribution
    South America: Mesoamericana.
    Reference
    Parianeae. Fl Costaric 1994.

    Images

    Distribution

    Native to:

    Costa Rica, Nicaragua

    Pariana parvispica R.W.Pohl appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Pohl, R.W. [11646], Costa Rica K000433387 Unknown type material

    First published in Iowa State J. Res. 47: 73 (1972)

    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.
    • Stevens, W.D., Ulloa U., C., Pool, A. & Montiel, O.M. (2001). Flora de Nicaragua Monographs in Systematic Botany from the Missouri Botanical Garden 85: i-xlii, 1-2666.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    Literature

    Kew Backbone Distributions
    • Stevens, W.D., Ulloa U., C., Pool, A. & Montiel, O.M. (2001). Flora de Nicaragua Monographs in Systematic Botany from the Missouri Botanical Garden 85: i-xlii, 1-2666.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    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