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

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

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short. Culms geniculately ascending; 35-110 cm long; woody. Culm-internodes thin-walled; distally glabrous. Culm-nodes constricted; brown; bearded. Leaves cauline; 5-7 per branch. Leaf-sheaths ribbed; hispid. Ligule a ciliolate membrane; 0.4-0.7 mm long; brown. Leaf-blade base broadly rounded; asymmetrical; with a brief petiole-like connection to sheath; petiole 0.3-0.5 cm long; petiole pubescent. Leaf-blades lanceolate, or ovate; 14-20 cm long; 45-59 mm wide. Leaf-blade venation parallel. Leaf-blade surface glabrous. Leaf-blade margins glabrous, or ciliate. Leaf-blade apex acute.
    Inflorescences
    Monoecious; with male and female spikelets in the same inflorescence. Inflorescence a panicle; terminal, or terminal and axillary. Peduncle hirsute above. Panicle open; pyramidal; 6-14 cm long; 1-4 cm wide. Primary panicle branches bearing spikelets almost to the base. Panicle branches scabrous. Sexes segregated; on bisexual 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; 13.5-18.5 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 lanceolate; 13.5-18.5 mm long; 1.1-1.2 length of upper glume; herbaceous; without keels; 7-11 -veined. Lower glume lateral veins with cross-veins. Lower glume surface asperulous; rough at apex. Lower glume apex acuminate; muticous. Upper glume lanceolate; 12-16 mm long; 1.3-1.4 length of adjacent fertile lemma; herbaceous; without keels; 7-11 -veined. Upper glume lateral veins with cross-veins. Upper glume surface scabrous; rough at apex. Upper glume apex acuminate.
    Florets
    Fertile florets female. Fertile lemma lanceolate; dorsally compressed; 8.8-10.7 mm long; indurate; pallid; without keel; 5 -veined. Lemma surface pilose; hairy all along. Lemma margins involute. Lemma apex acuminate. Palea indurate; 2 -veined; without keels. Palea apex excavated.
    Flowers
    Lodicules 3. Anthers 3. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 6-6.5 mm long; light brown. Hilum linear; 1 length of caryopsis. Disseminule comprising a floret.
    Spikelets
    Male spikelets distinct from female; 1 flowered; lanceolate; 4.2-6.7 mm long; hairy. Male spikelet glumes absent. Male spikelet lemma 3 -veined; muticous. Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 13.5-18.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Male
    Male spikelets distinct from female; 1 flowered; lanceolate; 4.2-6.7 mm long; hairy. Male spikelet glumes absent. Male spikelet lemma 3 -veined; muticous.
    Distribution
    South America: western South America and Brazil.
    Reference
    Olyreae. Sod & Zuol.

    Images

    Distribution

    Native to:

    Brazil North, Peru

    Agnesia juruana (Mez) J.R.Grande appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Aug 1, 1983 Calderón, C.E. [2290], Brazil Olyra juruana K000997217
    Jan 1, 1972 Maas, P.J.M. [P12957], Brazil Olyra juruana K000997216

    First published in Bol. Centro Invest. Biol. Univ. Zulia 50: 29 (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/.
    • 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