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Swollen sedge fact file

Swollen sedge description

Also known as
great bladder sedge, greater bladder sedge, shining bur sedge.
Size
Height: 15 - 140 cm Swollen sedge biology

Like other Carex species, the swollen sedge has unisexual flowers, with each individual flower containing either male or female reproductive organs A perennial species, the sedge usually lives for more than two years The swollen sedge is a host plant for some butterfly species Swollen sedge range

The swollen sedge is found in the United States from Wyoming and Texas in the west to Florida, Delaware and Maine in the east. In Canada there are populations from Manitoba in the west to Nova Scotia and Newfoundland in the east Swollen sedge habitat

Preferred habitats of the swollen sedge include moist woodland Swollen sedge status

The swollen sedge has not yet been assessed by the IUCN.

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Swollen sedge threats

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Swollen sedge conservation

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Find out more about the sedge:

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Authentication

This information is awaiting authentication by a species expert, and will be plants

Glossary

Achene
A simple single-seeded fruit that falls from the plant in one piece. Achenes usually in occur in clusters.
Asexually
Of asexual reproduction: reproduction that does not involve the formation of sex cells (‘gametes’). In many species, asexual reproduction can occur by existing cells splitting into two, or part of the organism breaking away and developing into a separate individual. Some animals, including vertebrates, can also develop from unfertilised eggs; this process, known as parthenogenesis, gives rise to offspring that are genetically identical to the parent.
Bract
Modified leaf at the base of a flower.
Inflorescence
The reproductive shoot of a plant, which bears a groplants

References

  1. Integrated Taxonomic Information System (ITIS) (January, 2014)
    http://www.itis.gov/
  2. New England Wild - Swollen sedge (January, 2014)
    https://gobotany.newenglandwild.org/species/carex/intumescens/
  3. Hipp, A.L. (2008) Sedges: An Introduction to the Genus Carex (Cyperaceae). University of Wisconsin Press, Madison, Wisconsin.
  4. United States Geological Survey - Swollen sedge (January, 2014)
    http://www.npwrc.usgs.gov/resource/plants-and-algae/florane/species/3/careintu.htm
  5. Flora of North America - Swollen sedge (Carex intumescens) (January, 2014)
    http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=222000301
  6. Heywood, V.H. (1978) Flowering Plants of the World. Oxford University Press, Oxford.
  7. United States Department of Agriculture - Swollen sedge (January, 2014)
    http://plants.usda.gov/core/profile?symbol=CAIN12
  8. Commonwealth Agricultural Bureaux International - Swollen sedge (January, 2014)
    http://www.cabi.org/isc/?compid=5&dsid=112984&loadmodule=datasheet&page=481&site=144
  9. Garguillo, M.B. (2010) A Guide to Native Plants of the New York City Region. Rutgers University Press, New Brunswick, New Jersey.
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Image credit

Swollen sedge  
Swollen sedge

© Louis-M. Landry

Louis-M. Landry
LM.Landry@videotron.ca

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KingdomPlantae
PhylumTracheophyta
ClassLiliopsida
OrderPoales
FamilyCyperaceae
GenusCarex As in other members of the Cyperaceae family, the swollen sedge has small, inconspicuous flowers which are arranged in erect ‘spikes’ The fruit of the swollen sedge, known as an ‘achene’, is dry and single seeded