1. Family: Poaceae Barnhart
    1. Genus: Oryza L.
      1. Oryza grandiglumis (Döll) Prodoehl

        This species is accepted, and its native range is S. Tropical America.

    [GB]
    Habit
    Annual; caespitose. Rhizomes short. Butt sheaths papery; pallid. Culms erect; 200 cm long; 4-9 mm diam. Culm-nodes constricted; pallid, or brown. Leaf-sheaths narrower than blade at the collar; keeled; smooth; glabrous on surface. Leaf-sheath oral hairs ciliate. Leaf-sheath auricles falcate (small). Ligule an eciliate membrane; 4-6 mm long; entire (often split); truncate. Leaf-blades linear to lanceolate; 15-36 cm long; 1.5-4.5 mm wide. Leaf-blade surface scaberulous, or scabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Peduncle antrorsely scabrous above. Panicle open; lanceolate, or elliptic; 15-40 cm long. Primary panicle branches ascending. Panicle branches angular; scabrous; hispid. Spikelets solitary. Fertile spikelets pedicelled. Pedicels linear; angular; scabrous; ciliate (short and stiff); tip cupuliform; bibracteate.
    Spikelets
    Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; compressed strongly; rostrate; 7-9 mm long; 4-6 mm wide; falling entire. Spikelet callus glabrous; base truncate.
    Fertile
    Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; compressed strongly; rostrate; 7-9 mm long; 4-6 mm wide; falling entire. Spikelet callus glabrous; base truncate.
    Glume
    Glumes both absent or obscure.
    Florets
    Basal sterile florets similar; barren; without significant palea. Lemma of lower sterile floret lanceolate; 7-8 mm long; 1 length of spikelet; coriaceous; 1-keeled; 1 -veined; without lateral veins; hispidulous; awned. Awn of lower sterile floret 0.5-9 mm long. Lemma of upper sterile floret lanceolate; 7-8 mm long; 1 length of lower sterile floret; coriaceous; pubescent; ciliate on midvein; awned. Awn of upper sterile floret 0.5-9 mm long. Fertile lemma elliptic; laterally compressed; 6-8 mm long; coriaceous; keeled; 5 -veined. Lemma midvein spinulose. Lemma surface reticulate; hispidulous. Lemma margins involute. Lemma apex rostrate; awned; 1 -awned. Principal lemma awn 1-18 mm long overall. Palea elliptic; 1 length of lemma; indurate; thinner on margins (narrow hyaline margin); 3 -veined; 1-keeled. Palea keels scabrous. Palea surface scabrous. Palea apex acuminate.
    Flowers
    Lodicules 2; lanceolate; membranous. Anthers 6. Stigmas 2.
    Fruits
    Disseminule comprising a floret.
    Distribution
    South America: northern South America, western South America, and Brazil.
    Reference
    Oryzeae. TB.

    Images

    Distribution

    Native to:

    Bolivia, Brazil North, Brazil West-Central, Colombia, French Guiana, Peru, Venezuela

    Oryza grandiglumis (Döll) Prodoehl appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2014 Hamilton, W.D. [14], Brazil K001055114
    May 27, 1981 Lowe, J. [4150], Brazil K001055115
    Jan 1, 1972 Prance, G.T. [11991], Brazil K001055116
    Sep 9, 1961 Silva, A. [295], Brazil K001055113
    Prance, G.T. [16830], Brazil K001055112
    Ricihl? [1261], Brazil K000433413
    Ricihl? [1261], Brazil K000433414

    First published in Bot. Arch. 1: 233 (1922)

    Accepted by

    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown.
    • 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
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown.
    • 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 2019. 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 2019. 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