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Description |
Geographic Range [top]
Range Description: Globally Cyperus castaneus is distributed in tropical Asia and Australia, Bangladesh, Myanmar, Sri Lanka, India and Nepal (Cook 1996).
Indian distribution of the species is mainly from Kerala, Karnataka, Maharashtra, Madhya Pradesh, Sikkim, Tamil Nadu and Uttar Pradesh (Cook 1996). In Maharashtra it is reported from Bombay, Chandrapur, Kolhapur, Sindhudurg and Thane (Lakshminarasimhan 1996). In Madhya Pradesh, the species is found in Raipur (Verma 2001). It is found on the way to Pathalaganga, Srisailam in Nallamalais in Andhra Pradesh (Ellis 1990). It is seen in Chengalpattu, North Arcot, Pudukkottai, Tiruchirappalli and Tirunelveli in Tamil Nadu (Bhargavan 1989). In Kerala, the species is reported from Kasargod, Pathanamthitta, Thiruvanathapuram, Malappuram, Kozhikode, Thrissur and Alleppy (Sasidharan 2004).
Countries occurrence:
Native:
Angola (Angola); Australia; Bangladesh; Benin; Burkina Faso; Burundi; Cameroon; Congo; Congo, The Democratic Republic of the; Côte dIvoire; Ethiopia; Gabon; Ghana; Guinea; India (Andhra Pradesh, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Sikkim, Tamil Nadu, Uttar Pradesh); Kenya; Liberia; Mali; Mozambique; Myanmar; Nepal; Nigeria; Rwanda; Sierra Leone; South Africa; South Sudan; Sri Lanka; Sudan; Togo; Uganda; Zimbabwe
Upper elevation limit (metres): 210
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: Widely distributed and common species.
Current Population Trend: Stable
Additional data:
?Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: It is an annual small herb which grows around 5-8 cm tall (Lakshminarasimhan 1996). It is found in seasonally flooded places; flowering as the water recedes (Cook 1996). It occurs on boulders with little soil in dry localities (Ellis 1990). It grows in swamps and rice fields at low elevations (Gamble 1931).
Systems: Terrestrial; Freshwater
Continuing decline in area, extent and/or quality of habitat: No
Use and Trade [top]
Use and Trade: There is no reported use for the species.
Threats [top]
Major Threat(s): There are no reported threats for the species.
Conservation Actions [top]
Conservation Actions: There are no conservation measures in place for the species, nor recommended.
Citation: Anitha, K. 2013. Cyperus castaneus. The IUCN Red List of Threatened Species 2013: e.T177207A7389887. http://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T177207A7389887.en. Downloaded on 14 April 2016.
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