This species is closely related to Oryza alta and Oryza grandiglumis[].

Common Name:

General Information

Oryza latifolia is a clump-forming perennial grass with erect culms. There are different forms of the plant, with some forms growing less than 1 metre tall and others growing more than 2 metres[].
Because they are a source of resistance to, or tolerance of, biotic and abiotic stresses, the most important use of the various species of wild rice is probably in breeding programmes to improve the species of cultivated rice (Oryza sativa, Oryza glaberrima).

Known Hazards

None known

Botanical References

Range

S. America - Argentina, Paraguay, Brazil, Bolivia, Peru, Ecuador, Colombia, Venezuela, the Guyanas; C. America - Panama to Mexico; Caribbean

Habitat

Open or semi-open habitats in low forest; rainforest; secondary forest; open woodland; undulating savannah pasture; cultivated fields; open swamps; usually in or near water such as streams, river banks and pool edges; at elevations to 700 metres[].

Properties

Other Uses Rating
Habit	Perennial
Height	1.00 m
Pollinators	Wind
Cultivation Status	Wild

Cultivation Details

Succeeds in semi shade and full sun[]. Grows wild on sandy seashores, moist clay, rarely on salt flats[].
Plants can be in flower in all months of the year[].

Edible Uses

None known

Medicinal

None known

Other Uses

The cortex/epidermis is used to cut hair[].

Because they are a source of resistance to or tolerance of biotic and abiotic stresses, the most important use of the various species of wild rice is probably in breeding programmes to improve the species of cultivated rice[].

Propagation

Seed. The seed of wild rice less than 12 months old often exhibits strong dormancy, which implies (though this has not been established) that the seed retains its viability for a considerable period[].
Heat treatment is generally effective in breaking dormancy - alternating temperatures between 34°c for 16 hours then 11°c for 8 hours is usually effective, though the time taken varies between species[].
Surface sow the seed in light shade and do not allow to dry out. Seed should germinate within 7 days at 30°c[]. Prick out 2 - 3 seedlings into individual pots when large enough to handle and, after a few days, move to a sunny position. Grow on until large enough to plant out.

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