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Description |
Geographic Range [top]
Range Description: Oryza officinalis is a perrenial herb and commonly distributed at less than 1000m altitude in the Western Ghats. In India, it is commonly known to Tamil Nadu, Kerala, Maharashtra and Madhya Pradesh. And also wide spread in south east Asia (Bhutan, Cambodia, China, India, Indonesia, Malaysia, Myanmar, Nepal, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam).
Countries occurrence:
Native:
Australia; Brunei Darussalam; Cambodia; China (Tibet [or Xizang], Yunnan); India (Kerala, Madhya Pradesh, Maharashtra, Tamil Nadu); Indonesia; Lao Peoples Democratic Republic; Malaysia; Maldives; Myanmar; Nepal; Papua New Guinea; Philippines; Singapore; Thailand; Viet Nam
Additional data:
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population:
It is a widely distributed species, but very rare in India.
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology:
It is found at the edge of or in forests, evergreen or deciduous forests; or low, open vegetation; in abandoned or rarely on the edge of cultivated rice fields or fruit/plantain gardens, in Southeast Asia near the coast. However, it grows in seasonally wet areas, ditches, swampy/marsh places, near small water holes, and along lake sides, streams, or rivers. Whereas, it prefers alluvial silt soils or sandy soils on limestone. It is also found in full sun or partial shade. It occurs naturally in the disturbed area beside seasonally wet depression in Myanmar; edge of pond in Indonesia; and stream sides in Philippines (knowledgebank.irri.org).
Systems: Terrestrial; Freshwater
Continuing decline in area, extent and/or quality of habitat: Unknown
Use and Trade [top]
Use and Trade: It is used to study the current focus of research involving wild relatives of rice from conservation, phylogenetic and breeding perspectives. As with any other grain crop, it is the seeds that are harvested and eaten by humans.
Threats [top]
Major Threat(s):
There are indications of population declines in the wild, however, the reasons for the decline are not known. The threats to the species are unknown.
Conservation Actions [top]
Conservation Actions:
Studies on threats and their impacts on the wild population is urgently required.
Citation: Rehel, S. 2011. Oryza officinalis. The IUCN Red List of Threatened Species 2011: e.T177178A7384676. http://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T177178A7384676.en. Downloaded on 26 September 2016.
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