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 (5⁄32–23⁄64 in) in thickness.[3] They have developed aerenchyma which allows them to float.[4]
| Oryza grandiglumis | |
|---|---|
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Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Poaceae |
| Genus: | Oryza |
| Species: | O. grandiglumis
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| Binomial name | |
| Oryza grandiglumis | |
Genomics
editOryza 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
edit- ^ ITIS. "Report: Oryza grandiglumis". www.itis.gov. Retrieved 2022-12-22.
- ^ 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.
- ^ "Flora e Funga do Brasil". Flora do Brasil. Retrieved 2022-12-22.
- ^ 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.