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This species is accepted, and its native range is S. Tropical America.
A specimen from Kew's Herbarium

[GB]
Morphology General 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.
Morphology Reproductive morphology 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.
Morphology Reproductive morphology Inflorescences 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.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes both absent or obscure.
Morphology Reproductive morphology Flowers 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.
Morphology Reproductive morphology Flowers
Lodicules 2; lanceolate; membranous. Anthers 6. Stigmas 2.
Morphology Reproductive morphology Fruits
Disseminule comprising a floret.
Distribution
South America: northern South America, western South America, and Brazil.
Reference
Oryzeae. TB.

[CPLC]

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Nativa en Colombia; Alt. 0 - 500 m.; Amazonia, Orinoquia.
Morphology General Habit
Hierba
Conservation
No Evaluada

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
Ricihl? [1261], Brazil K000433413
Prance, G.T. [16830], Brazil K001055112
Ricihl? [1261], Brazil K000433414

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

Accepted by

  • 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.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • 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.

Literature

Catálogo de Plantas y Líquenes de Colombia

  • ColPlantA (2021). "ColPlantA. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://www.colplanta.org/"

Kew Backbone Distributions

  • 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.
  • 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.

Catálogo de Plantas y Líquenes de Colombia
http://creativecommons.org/licenses/by-nc-sa/3.0

Colombian resources for Plants made Accessible
http://creativecommons.org/licenses/by/3.0/

GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
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 2021. 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 2021. 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