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Oryza officinalis Wall ex Watt

  • Distribution
  • Habitat
  • Habitat
  • Habitat
  • Plant
  • Seed


Genome designation
Chromosome number
Diploid, 12
Asia to New Guinea and it has been reported in Australia where it is very rare.
Key characteristics
Lowest panicle node almost always has a whorl of branches, generally rhizomatous.
Rather variable. Generally open grassland habitats or forest margins. It is commonly found in locations close to the coast in Indonesia (Sumatra) and Papua New Guinea. It is found in the Irrawady delta.
Potentially useful traits
Pest resistance
Hass-Jacobus, B. L. et al. 2006. Integration of hybridisation-based markers (overgos) into physical maps for comparative and evolutionary explorations in the genus Oryza and in Sorghum. BMC genomic 7: 199
Jena, K. K. and G. S. Khush. 1990. Introgression of genes from Oryza officinalis Wall ex Watt. to cultivated rice, O. sativa L. Theor. Appl. Genet. 80:737-745.
Neto, G. C., Y. Kono, H. Hyakutake, M. Watanabe, Y. Suzuki, and A. Sakurai. 1991. Isolation and identification of (-)-Jasmonic acid from wild rice, O. officinalis, as an antifungal substance. Agric. Biol. Chem. 55(12):3097-3098.
Tateoka, T., and J. V. Pancho. 1963. A cytotaxonomic study of Oryza minuta and O. officinalis. Bot. Mag. Tokyo 76:366-373.
Ogawa, T. 2003. Genome research in genus Oryza. Pages 171-212 in J.S. Nanda and S.D. Sharma (eds.) Monograph on the genus Oryza. Science Publishers Enfield, NH.