Английская Википедия:Cirsium barnebyi

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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 Шаблон:Convert.[1] It is reported from 6 counties in 3 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 Шаблон:Convert tall, with a woody taproot. Leaves are oblong to elliptic, up to Шаблон:Convert 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

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  1. Flora of North America, Barneby’s thistle, Cirsium barnebyi S. L. Welsh & Neese,
  2. Biota of North America Program 2014 county distribution map
  3. Welsh, Stanley Larson, & Neese, Elizabeth C. 1981. New taxa of western plants – In tribute. Brittonia 33(3): 294–303.
  4. 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.