Oryza australiensis Domin.

Morphological characteristics

Perennial, tall (>2 m), and erect grass with strap-shaped, leaves gray-green or dark-green; panicles open, panicle axis scabrous; spikelets pear-shaped 6-9 mm long and 2-3.2 mm wide, with soft, wispy awns (<5 cm); anthers 3.5-5.5 mm long.

Chromosome number

2n=2x=24

Genome

EE

Distribution

northern Australia.


 

Habitat

Found in undulating plains of Eucalyptus and Leptochloa or box woodland, in wet places such as swamps, the edges of freshwater lagoons, seasonally dry pools, alluvial streams, or behind river levees. Grows in black, red loam or clay soils in open habitats.

 


Habitat: seasonally wet depression, Australia


Habitat: adjacent to swamp, Australia


A panicle


Spikelets


Rhizomes