Centaurea nigra

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Standard Cyclopedia of Horticulture

Centaurea nigra, l.inn. Knapweed. Hardheads. Perennial, 1-2 ft. high: sts. branching, rough pubescent: lvs. lance-shaped and entire or lower sparingly toothed or lobed, but not pinnatifid: involucral bracts with pectinate-ciliate-fringed black appendages: fls. all alike, the disk and marginal ones of the same size. Eu. Var. variegata,' Hort. Lvs. edged with creamy white, tufted. A very striking border plant; useful in dry or open places. CH The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

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References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

• w:Centaurea nigra. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
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