Cirsium_osterhoutii

<i>Cirsium clavatum</i>

Cirsium clavatum

Species of thistle

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

Quick Facts Cirsium clavatum, Scientific classification ...

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]
    The Plant List, Cirsium clavatum (M.E.Jones) Petr.
  2. [2]
    USDA, NRCS (n.d.). "Cirsium clavatum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 20 June 2015.
  3. [3]
    Biota of North America Program 2014 county distribution map
  4. [4]
    Keil, David John 2004. Sida 21:207-219
  5. [5]
    Flora of North America, Cirsium clavatum (M. E. Jones) Petrak


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