Kalpana Kalpana (Editor)

Circaea

Updated on
Edit
Like
Comment
Share on FacebookTweet on TwitterShare on LinkedInShare on Reddit
Kingdom
  
Plantae

Scientific name
  
Circaea

Rank
  
Genus

Family
  
Onagraceae

Higher classification
  
Onagraceae

Order
  
Myrtales

Circaea Circaea canadensis broadleaved enchanter39snightshade Go Botany

Lower classifications
  
Circaea lutetiana, Circaea alpina

Enchanter s nightshade circaea lutetiana 2012 06 27


The genus Circaea contains 7–10 species of flowering plants, known as Enchanter's nightshade, in the willowherb family Onagraceae. They are woodland plants occurring throughout the temperate regions of the Northern Hemisphere. Two species are widespread, Broad-leaved Enchanter's Nightshade (Circaea lutetiana) and Alpine Enchanter's Nightshade (Circaea alpina). In addition, there is an intermediate hybrid between these two, and several local species or subspecies, with between eight and 14 forms recognised by different authorities. The hybrid is sterile, persisting only by vegetative reproduction and not producing seeds.

Contents

Circaea Circaea alpina Alpine enchanter39s nightshade

This plant spreads its seeds by producing burrs that adhere to clothing, fur and feathers.

Circaea is in the family Onagraceae, which also includes willowherbs, evening primroses and fuchsias. The genus is named after the enchantress Circe from Greek mythology, who is supposed to have used enchanter's nightshade in her magic. Enchanter's nightshade is not related to the nightshade family that includes deadly nightshade and the Solanum genus (the Solanaceae). Molecular evidence indicates the closest relative to Circaea is the lineage that gave rise to the genus Fuchsia, which diverged from it around 41 million years ago.

Circaea httpsuploadwikimediaorgwikipediacommonsthu
Species
  • Circaea alpina (Alpine Enchanter's-nightshade)
  • C. alpina subsp. alpina
  • C. alpina subsp. angustifolia
  • C. alpina subsp. caulescens
  • C. alpina subsp. imaicola
  • C. alpina subsp. micrantha
  • C. alpina subsp. pacifica
  • Circaea cordata
  • Circaea erubescens
  • Circaea glabrescens
  • Circaea lutetiana (Enchanter's-nightshade)
  • C. lutetiana subsp. canadensis
  • C. lutetiana subsp. quadrisulcata
  • Circaea mollis
  • Circaea repens

  • Circaea Circaea canadensis
    Hybrids
  • Circaea × intermedia (C. alpina × C. lutetiana) (Upland Enchanter's-nightshade)
  • Circaea alpina



    Circaea Circaea canadensis

    Circaea Circaea lutetiana

    Circaea Circaealutetiana1jpg

    References

    Circaea Wikipedia