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1 References  














Cirsium barnebyi






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Cirsium barnebyi

Conservation status


Vulnerable  (NatureServe)

Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Cirsium
Species:
C. barnebyi
Binomial name
Cirsium barnebyi

S.L. Welsh & Neese

Cirsium barnebyi, or Barneby's thistle, is a North American plant species native to the Rocky Mountains of the western United States. It grows in juniper woodlands, sagebrush scrub, etc., at elevations of 1,600–2,600 m (5,200–8,500 ft).[1] It is reported from six counties in three states: Rio Blanco and Garfield Counties, Colorado; Uintah, Carbon and Duchesne Counties, Utah; and Carbon County, Wyoming.[2]

Cirsium barnebyi is a sparsely-branched perennial herb up to 60 cm (24 in) tall, with a woody taproot. Leaves are oblong to elliptic, up to 35 cm (14 in) long, undulate (wavy), lobed with sharp spines along the edges. Flower heads 1-20, borne at the top of the plant or on the tips of the branches. The phyllaries (modified leaves around the base of the heads) bear sharp spines. Flowers are lavender to pinkish-purple.[3][4]

References

[edit]
  • ^ Welsh, Stanley Larson, & Neese, Elizabeth C. 1981. New taxa of western plants – In tribute. Brittonia 33(3): 294–303.
  • ^ Cronquist, A.J. 1994. Asterales. 5: 1–496. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermountain Flora. Hafner Pub. Co., New York.

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  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Cirsium_barnebyi&oldid=1213930152"

    Categories: 
    NatureServe vulnerable species
    Cirsium
    Flora of Colorado
    Flora of Wyoming
    Flora of Utah
    Flora of the Rocky Mountains
    Plants described in 1981
    Cardueae stubs
    Hidden categories: 
    Articles with short description
    Short description is different from Wikidata
    Articles with 'species' microformats
    Flora without expected TNC conservation status
    All stub articles
     



    This page was last edited on 16 March 2024, at 00:01 (UTC).

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