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Oryza malampuzhaensis Krish. et Chand.

  • Distribution
  • Habitat
  • Spikelet


Genome designation
Chromosome number
Tetraploid, 2n=48
Southern India
Key characteristics
Erect plant, spikelets generally larger and more elongated than O. officinalis, 5.8-6.0mm by 2.9-3.1mm.
Wet places semi open places in forest.
Restricted distribution in Western Ghats where O. officinalis also grows.
Joseph, L., P. Kuriachan and K. Kalyanaraman. 1999. Collection and evaluation of the tetraploid Oryza officinalis Wall ex Watt (O. malampuzhaensis Krish. et Chand.) endemic to the Western Ghats, India. Genet. Resour. Crop Evol. 46: 531-541
Li, C.B., D.M. Zhang, S. Ge, B.R. Lu, D.Y. Hong. 2001. Identification of genome constitution of Oryza malampuzhaensis, O. minuta and O. punctata by multicolour genomic in situ hybridisation. Theor. Appl. Genet. 103: 204-211
Thomas, G., L. Joseph, G. Varghese, K. Kalyanaraman, P. Kuriachan, M.R. Das. 2001. Discrimination between Oryza malampuzhaensis Krish. et Chand. and Oryza officinalis Wall ex Watt based on RAPD markers and morphological traits. Euphytica 122: 181-189
Thomas, G., Sreejayan, L. Joseph and P. Kuriachan. 2001. Genetic variation and population genetic structure in Oryza malampuzhaensis Krish. et Chand. endemic to Western Ghats, South India. Journal of Genetic 80:141-148