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Utricularia gibba

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA SCROPHULARIALES LENTIBULARIACEAE

Scientific Name: Utricularia gibba
Species Authority: L.
Common Name/s:
English Humped Bladderwort
French Utriculaire Bossue, Utriculaire Gibbeuse
Synonym/s:
Utricularia biflora Roxburgh
Utricularia exoleta R.Br.
Utricularia exoleta R.Brown
Utricularia gibba L. subspecies exoleta (R.Br.) P.Taylor
Utricularia khasiana Joseph & Mani
Utricularia roxburghii Sprengel

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2011
Date Assessed: 2010-11-27
Assessor/s: Anitha, K.
Reviewer/s: Daniel, B.A., Rasingam, L., Raghavan, R., Gunaga, S. & Molur, S.
Contributor/s: Molur, S.
Justification:
Utricularia gibba is cosmopolitan in distribution, with no known threats and is therefore considered as Least Concern.

Geographic Range [top]

Range Description: The species is cosmopolitan in distribution. The plant occurs in India, Bangladesh, Myanmar, Sri Lanka, Nepal and USA  (Cook 1996). In India it is reported from Andaman and Nicobar, Andhra Pradesh, Kerala, Karnataka, Meghalaya, Maharashtra, Madhya Pradesh, Rajasthan, Uttar Pradesh and West Bengal (Cook 1996).
Countries:
Native:
Bangladesh; India (Andaman Is., Andhra Pradesh, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Meghalaya, Nicobar Is., Rajasthan, Uttar Pradesh, West Bengal); Myanmar; Nepal; Sri Lanka; United States (Alabama, Arkansas, California, Connecticut, Kansas, Kentucky, Louisiana, Maine, Massachusetts, Minnesota, Mississippi, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Vermont, Virginia, Washington, West Virginia, Wisconsin)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is no information on the population of the species.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: It is annual or perennial herb without roots. Affixed or planktonic, in humid regions sometimes growing terrestrially. Found in a very wide spectrum of aquatic habitats. Often very common but usually found growing intertwined between other plants. Frequent in rice fields but not harmful (Cook 1996). Utricularia gibba is an obligate wetland species. The species has been identified as  a specialist invasive species and may out-compete native bladderworts in lowland wetland ecosystems in countries where it is introduced (ISSG 2006).
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): There is no identified threat for the species.

Conservation Actions [top]

Conservation Actions: There is no conservation action known for the species. Research on ecology, life history and population dynamics of the species is recommended.
Citation: Anitha, K. 2011. Utricularia gibba. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 24 April 2014.
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