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Cirsium

Cirsium

9.9
A wild plant with spines on its leaves and purple flower heads
  • noun
  • /ˈsɜrziəm/
  • Specialized
translation icon : Cirsium
  • The field was dotted with Cirsium, their purple flowers standing out against the grass.

Examples

  • Some species of Cirsium provide food for butterflies and birds.

  • Gardeners often remove Cirsium to prevent it from spreading in cultivated beds.

  • The Cirsium plant thrives in dry, sunny areas.

  • Many gardeners appreciate the beauty of Cirsium flowers.

  • Gardeners often remove Cirsium to prevent it from spreading in cultivated beds.

  • Some species of Cirsium provide food for butterflies and birds.

  • The field was dotted with Cirsium, their purple flowers standing out against the grass.

Compounds

Cirsium arvense
  • Specialized
9.9

A common weed with sharp leaves and purple flowers that spreads by roots

Cirsium discolor
  • Specialized
9.9

A large prickly plant native to North America with purple-pink flower heads that bees and butterflies visit

Cirsium helenioides
  • Specialized
9.9

A wild plant from northern Europe that lives many years with long leaves and purple flower heads

Cirsium heterophyllum
  • Specialized
9.9

A prickly plant like a thistle with purple flowers that lives for many years in northern Europe

Cirsium lanceolatum
  • Specialized
9.9

A European thistle with large flower heads and prickly leaves that often grows as a weed

Cirsium rivulare
  • Specialized
9.9

A tall plant with purple-red flower heads that is a type of thistle from central and southwestern Europe

Cirsium vulgare
  • Specialized
9.9

A prickly plant that has large purple flower heads and grows wild as a weed

Surface Forms

Cirsium singular
Cirsiums plural

Etymology

Cirsium comes from an old Greek word kirsion that meant 'thistle' and is linked to kirsos meaning 'swelling'. A helpful way to remember it is to picture the plant's prickly leaves and round, fluffy seed heads like small 'swellings', which is why botanists used Cirsium for these spiny thistles.