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Description |
Geographic Range [top]
Range Description: Neptunia plena is known from the coastal regions of America and tropical Asia (Windler 1966). It has also been recorded at Ritchie Road, Pallara and Lake Placid approx. 20 km from Cairns in Australia (Hannan-Jones and Csurhes 2008). It is naturalized in Asia (Cook 1996). In India, it is distributed in Goa, Karnataka, Rajasthan, West Bengal (Cook 1996) and Tamil Nadu (Nair and Henry 1983).
Countries occurrence:
Native:
Australia; Bangladesh; Bhutan; Bolivia, Plurinational States of; Cambodia; Canada; Colombia; Guyana; India (Goa, Karnataka, Rajasthan, Tamil Nadu, West Bengal); Indonesia; Lao Peoples Democratic Republic; Malaysia; Maldives; Myanmar; Nepal; Paraguay; Philippines; Saint Pierre and Miquelon; Singapore; Sri Lanka; Thailand; United States; Viet Nam
Additional data:
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population:
There is no information about population of this species.
Current Population Trend: Stable
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: It is not confined to wetlands but tolerates considerable flooding and even develops spongy tissue on the stems when in water (Cook 1996). However, it is an aquatic floating perennial herb that attaches to the bank at the waters edge and sends down a taproot. It emerges during the periodic wet seasons and produce ?owers and seeds. When the ponds disappear during the dry years, the plants become dormant and persist as seeds or perhaps underground propagules (Richardson and King 2008).
Systems: Terrestrial; Freshwater
Continuing decline in area, extent and/or quality of habitat: No
Use and Trade [top]
Use and Trade:
It is used as a potential biological control agent to release the tip weevil Temnocerus debilis (Heard et al. 2009).
Threats [top]
Major Threat(s):
There are no known threats to the species.
Conservation Actions [top]
Conservation Actions:
No conservation actions are known to be taken for this species. Detailed distribution surveys, ecology and threats are essential.
Citation: Mani, S. 2011. Neptunia plena. The IUCN Red List of Threatened Species 2011: e.T177356A7420283. http://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T177356A7420283.en. Downloaded on 01 September 2016.
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