Kalpana Kalpana (Editor)


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Kingdom  Plantae
Family  Cyperaceae
Rank  Genus
Order  Poales
Scientific name  Eriophorum
Higher classification  Sedges
Eriophorum httpsnewfss3amazonawscomtaxonimages1000s1
Lower classifications  Eriophorum vaginatum, Eriophorum angustifolium, Eriophorum latifolium, Eriophorum scheuchzeri, Eriophorum gracile

Eriophorum vaginatum time lapse

Eriophorum (cottongrass, cotton-grass or cottonsedge) is a genus of flowering plants in the family Cyperaceae, the sedge family. They are found throughout the arctic, subarctic and temperate portions of the Northern Hemisphere in acid bog habitats, being particularly abundant in Arctic tundra regions.


Eriophorum Eriophorum Wikipedia

They are herbaceous perennial plants with slender, grass-like leaves. The seed heads are covered in a fluffy mass of cotton which are carried on the wind to aid dispersal. In cold Arctic regions, these masses of translucent fibres also serve as 'down' – increasing the temperature of the reproductive organs during the Arctic summer by trapping solar radiation.

Eriophorum Eriophorum vaginatum tussock cottonsedge Go Botany

Veenpluis eriophorum angustifolium 2013 06 23

Selected species

The following species are included:

Eriophorum Eriophorum vaginatum Wikipedia
  • Eriophorum angustifolium Honck. – widespread across Europe, Asia, North America
  • Eriophorum × beringianum Raymond – Alaska including Aleutians; Magadan region of Russia (hybrid E. angustifolium × E. chamissonis)
  • Eriophorum brachyantherum Trautv. & C.A.Mey. – Scandinavia, northern Russia, Mongolia, Korea, Alaska, northern Canada
  • Eriophorum callitrix Cham. ex C.A.Mey. – Siberia, Russian Far East, Alaska, Canada, Greenland, Montana, Wyoming
  • Eriophorum chamissonis C.A.Mey. – Siberia, Russian Far East, Korea, Mongolia, Alaska, Canada, Greenland, northern and western United States
  • Eriophorum crinigerum (A.Gray) Beetle – Oregon, northwestern California
  • Eriophorum × fellowsii (Fernald) M.S.Novos. – Ontario, Maine, Massachusetts (hybrid E. virginicum × E. viridicarinatum)
  • Eriophorum gracile Koch – much of Europe; northern and Central Asia; China, Tibet, Mongolia, Alaska, Canada, northern United States
  • Eriophorum × gracilifolium M.S.Novos. – European Russia (hybrid E. gracile × E. latifolium)
  • Eriophorum humile Turcz. – Altai, Tuva, Kazakhstan, Mongolia, Amur
  • Eriophorum latifolium Hoppe – much of Europe; Caucasus, Turkey, Mongolia
  • Eriophorum × medium Andersson – scattered locations in Finland, Norway, Russia, Alaska, Quebec, Labrador (hybrid E. chamissonis × E. scheuchzeri)
  • Eriophorum × polystachiovaginatum Beauverd – France (hybrid E. angustifolium × E. vaginatum)
  • Eriophorum × pylaieanum Raymond – scattered locations in Canada and Alaska (hybrid E. chamissonis × E. vaginatum)
  • Eriophorum × rousseauianum Raymond – Alaska, Quebec (hybrid E. angustifolium × E. scheuchzeri)
  • Eriophorum scabriculme (Beetle) Raymond – Vietnam
  • Eriophorum scheuchzeri Hoppe – much of Europe; northern and Central Asia including Siberia, Xinjiang, Himalayas, Alaska, Greenland, Canada, mountains of western United States
  • Eriophorum tenellum Nutt. – eastern Canada and northeastern United States from Nunavut and Labrador to New Jersey
  • Eriophorum tolmatchevii M.S.Novos. – Krasnoyarsk, Yakutiya
  • Eriophorum transiens Raymond – Guizhou
  • Eriophorum vaginatum L. – most of genus range
  • Eriophorum virginicum L. – eastern North America from Labrador to Tennessee, west to Michigan
  • Eriophorum viridicarinatum (Engelm.) Fernald – Canada including Arctic territories; northern United States

  • Eriophorum Eriophorum angustifolium
    Eriophorum Eriophorum angustifolium Honck Common Cottongrass Flora of


    Eriophorum Wikipedia

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    Eriophorum angustifolium
    Eriophorum gracile
    Eriophorum scheuchzeri