Oryza grandiglumis explained

Oryza grandiglumis is a type of wild rice of the genus Oryza^[1] found in tropical countries of South- and Central- America, 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 790cm (310inches) and are NaNmm in thickness.^[2] They have developed aerenchyma which allows them to float.^[3]

Genomics

Oryza grandiglumis is a tetraploid of 2n=48. It has a genome as with several others in the O. officinalis complex.^[4]

Notes and References

1. Web site: Report: Oryza grandiglumis . ITIS. 2022-12-22. www.itis.gov.
2. Web site: Flora e Funga do Brasil . 2022-12-22 . Flora do Brasil.
3. Ultrastructure of the wild rice Oryza grandiglumis (Gramineae) in Costa Rica. 2014 . Sánchez . Ethel. Quesada. Tania . Espinoza. Ana M.. . 54 . 2 . 377–385 . 18494308. 10.15517/rbt.v54i2.13878. free .
4. Book: Rice Genetics IV . en . 2001 . G . Khush . Brar . D . B. Hardy. IV . xi+488 . 1-57808-167-X . Science Publishers, Inc. (Spi) for IRRI (the International Rice Research Institute) . Rice Genetics.