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Description |
Geographic Range [top]
Range Description: The species is recorded from India (the Andaman Islands, Andhra Pradesh, Bihar, Goa, Kerala, Karnataka, Madhya Pradesh, Maharastra, Orissa, Rajasthan, Sikkim, Tamil Nadu, Uttar Pradesh and West Bengal), Sri Lanka, Nepal, Bhutan, Bangladesh, Myanmar, southern China (Yunnan), through Indochina (Lao PDR, Thailand and Viet Nam, and is likely to be present in Cambodia) to Malaysia, and from Africa and Australia (Northern Territory and Queensland) (Cook 1996, eFloras 2011, GRIN 2011).
Countries occurrence:
Native:
Australia (Northern Territory, Queensland); Bangladesh; Bhutan; Ethiopia; India (Andaman Is., Andhra Pradesh, Bihar, Goa, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Orissa, Rajasthan, Sikkim, Tamil Nadu, Uttar Pradesh, West Bengal); Lao Peoples Democratic Republic; Lesotho; Madagascar; Malaysia (Peninsular Malaysia); Myanmar (Myanmar (mainland)); Nepal; Somalia; South Africa; Sri Lanka; Swaziland; Thailand; Viet Nam
Additional data:
? Upper elevation limit (metres): 1000
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: It has been reported as common and is very widespread weed.
Current Population Trend: Stable
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: It is an annual found growing in wet areas, occasionally temporarily submerged. Common in and around irrigation ditches and rice fields and considered as a weed. Grows from the plains to 800 m.
Systems: Terrestrial; Freshwater
Continuing decline in area, extent and/or quality of habitat: No
Use and Trade [top]
Use and Trade: The leaves are eaten as a vegetable. The herb is used as a fish poison and stuffed into the holes of crabs to kill them. Aqueous extract is poisonous to cockroaches. Plants yield an essential oil and a fatty oil. The plant is used as a soil fertility indicator. The root, stem, leaves, flowers, and seeds have medicinal properties and are used in ayurvedic system of medicine.
Threats [top]
Major Threat(s): There are no major threats to this widespread weed.
Conservation Actions [top]
Conservation Actions: Conservation measures are not known or needed for this weed.
Citation: Rehel, S. 2011. Sphaeranthus indicus. The IUCN Red List of Threatened Species 2011: e.T177190A7386199. http://dx.doi.org/10.2305/IUCN.UK.2011-2.RLTS.T177190A7386199.en. Downloaded on 17 January 2017.
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