Oryza grandiglumis is a type of wild rice of the genus Oryza[1] found in tropical countries of South- and Central- America,[2]: 6  namely Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Paraguay, Venezuela, and Peru. Discovered in 1998 in Caño Negro, in northern Costa Rica, it is an annual plant with short rhizomes; its culms can reach 790 centimetres (311 in) and are 4–9 millimetres (5322364 in) in thickness.[3] They have developed aerenchyma which allows them to float.[4]

Oryza grandiglumis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Genus: Oryza
Species:
O. grandiglumis
Binomial name
Oryza grandiglumis

Genomics

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Oryza grandiglumis is a tetraploid of 2n = 48.[2]: 6  It has a CCDD genome as with several others in the O. officinalis complex.[2]: 6 

References

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  1. ^ ITIS. "Report: Oryza grandiglumis". www.itis.gov. Retrieved 2022-12-22.
  2. ^ a b c Khush, G; Brar, D; Hardy, B (2001). Rice Genetics IV. Rice Genetics. Vol. IV. Science Publishers, Inc. (Spi) for IRRI (the International Rice Research Institute). pp. xi + 488. ISBN 1-57808-167-X.
  3. ^ "Flora e Funga do Brasil". Flora do Brasil. Retrieved 2022-12-22.
  4. ^ Sánchez, Ethel; Quesada, Tania; Espinoza, Ana M. (2014). "Ultrastructure of the wild rice Oryza grandiglumis (Gramineae) in Costa Rica". Revista de Biología Tropical. 54 (2): 377–385. doi:10.15517/rbt.v54i2.13878. PMID 18494308.