1. Family: Poaceae Barnhart
    1. Genus: Agnesia Zuloaga & Judz.
      1. Agnesia amapana (Soderstr. & Zuloaga) J.R.Grande

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 45-50 cm long; woody. Culm-internodes thin-walled; distally pubescent. Culm-nodes brown; pubescent. Leaves cauline. Leaf-sheaths ribbed; pubescent. Ligule an eciliate membrane; 0.5-0.7 mm long. Leaf-blade base broadly rounded; asymmetrical; with a brief petiole-like connection to sheath; petiole 0.3-0.4 cm long; petiole pubescent. Leaf-blades lanceolate; 14.5-17 cm long; 35-42 mm wide. Leaf-blade venation parallel.
    Inflorescences
    Monoecious; with male and female spikelets in the same inflorescence. Inflorescence a panicle; terminal and axillary. Panicle contracted; linear; 2.7-4 cm long; 1-1.5 cm wide; bearing few spikelets (1-4 female). Primary panicle branches bearing spikelets almost to the base. Sexes segregated; on unisexual branches; with male below. Spikelets solitary. Fertile spikelets pedicelled. Male spikelets pedicelled. Pedicels (female) clavate; angular.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 11 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume elliptic; 11 mm long; 1 length of upper glume; herbaceous; without keels; 7 -veined. Lower glume apex caudate; awned; 1 -awned. Lower glume awn 3-20 mm long. Upper glume elliptic; 10.3 mm long; 1.1 length of adjacent fertile lemma; herbaceous; without keels; 7 -veined. Upper glume surface asperulous; rough above. Upper glume apex acuminate.
    Florets
    Fertile florets female. Fertile lemma elliptic; dorsally compressed; 9.7 mm long; indurate; pallid; shiny; without keel; 7 -veined. Lemma surface smooth; pubescent; hairy all along. Lemma margins involute. Lemma apex acute. Palea indurate; without keels.
    Flowers
    Lodicules 3. Anthers 3; 3 mm long. Stigmas 2.
    Fruits
    Disseminule comprising a floret.
    Spikelets
    Male spikelets distinct from female; 1 flowered; lanceolate; 4-6.6 mm long; hairy. Male spikelet glumes absent. Male spikelet lemma 3-5 -veined; muticous. Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 11 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Male
    Male spikelets distinct from female; 1 flowered; lanceolate; 4-6.6 mm long; hairy. Male spikelet glumes absent. Male spikelet lemma 3-5 -veined; muticous.
    Distribution
    South America: Brazil.
    Reference
    Olyreae. Sod & Zuol.

    Images

    Distribution

    Native to:

    Brazil North, Venezuela

    Agnesia amapana (Soderstr. & Zuloaga) J.R.Grande appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nov 1, 2013 Teixeira, L.O.A. [479], Brazil Olyra amapana K000997218
    Pires, J.M., Rodrigues, Wm [51536], Brazil Olyra amapana K000433337 isotype

    First published in Bol. Centro Invest. Biol. Univ. Zulia 50: 28 (2016)

    Accepted by

    • Govaerts, R. (2019). World Checklist of Vascular Plants (WCVP 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/.

    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