Cirsium clavatum

Cirsium clavatum
Scientific classification
Kingdom:Plantae
Clade:Angiosperms
Clade:Eudicots
Clade:Asterids
Order:Asterales
Family:Asteraceae
Genus:Cirsium
Species: C. clavatum
Binomial name
Cirsium clavatum
Synonyms[1]

Cirsium clavatum, the Fish Lake thistle,[2] is a North American species of plants in the thistle tribe within the sunflower family. The species is native to the western United States, the States of Wyoming, Colorado, Utah, Arizona, and New Mexico.[3][4]

Cirsium clavatum is a biennial or perennial herb up to 100 cm (40 inches) tall, blooming only once before dying. Leaves have thin spines along the edge, much smaller than those of related species. There are several to many flower heads, with white or pale pink disc florets but no ray florets.[5]

Varieties[1][5]

References

  1. 1 2 The Plant List, Cirsium clavatum (M.E.Jones) Petr.
  2. ↑ "Cirsium clavatum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 20 June 2015.
  3. ↑ Biota of North America Program 2014 county distribution map
  4. ↑ Keil, David John 2004. Sida 21:207-219
  5. 1 2 Flora of North America, Cirsium clavatum (M. E. Jones) Petrak


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