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Oryza meridionalis Ng
Distribution
Habitat
Habitat
Habitat
Spikelet
Explanations
- Genome designation
- AA
- Chromosome number
- Diploid, 2n=24
- Distribution
- Australia and New Guinea
- Key characteristics
- erect plant, spikelets generally larger and more elongated than O. officinalis, 5.8-6.0mm by 2.9-3.1mm.
- Habitat
- Grassland beside water ? freshwater lagoons, temporary pools and swamps. Where it is sympatric with O. australiensis it usually is found at lower wetter parts of the site.
- Potentially useful traits
- Drought avoidance
- Notes
- Results of diversity analysis suggest that either this species or O. longistaminata is basal among A-genome species (Zhu and Ge, 2005).
- References
- Ng, N. Q., T. T. Chang, J. T. Williams, and J. G. Hawkes. 1981a. Morphological studies of Asian rice and its related wild species and the recognition of a new Australian taxon. Bio. J. Linn. Soc. 16: 303-313.
- Ng,, N. Q., J. G. Hawkes, J. T. Williams, and T. T. Chang. 1981b. The recognition of a new species of rice (Oryza) from Australia. Bot. J. Linn. Soc. 82: 327-330.
- Wurm, P.A. 1998. A surplus of seeds: High rates of post-dispersal seed predation in a flooded grassland in monsoonal Australia. Australian Journal of Ecology 23: 385-392
- Zhu, Q and S. Ge. 2005. Phylogenetic relationships among A-genome species of the genus Oryza revealed by intron sequences of four nuclear genes. New Phytologist 167: 249-267
