Onopordon acanthium

Onopordon acanthium subsp. var.
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Standard Cyclopedia of Horticulture

Onopordon acanthium, Linn. Scotch Thistle. Biennial, vigorous, much-branched, 3-9 ft. high: Lvs. oblong, lobed and dentate, acute, the lower often 1 ft. long, cottony white, spiny: heads of pale purple fls. 1½-2 in. across, borne singly on the branches. July-Sept. B.B. 3:491. Gn. 46, p. 9; 68, p. 157. G.W. 7, p. 425. R.B. 20, p. 200.— The .Scotch thistle is often called the cotton thistle; sometimes also Argentine, asses', down, oat, Queen Mary's or silver thistle. It is apparently not advertised in Amer., but is sometimes cult, for "auld lang syne," and occasionally it is used with striking effect by some lover of hardy plants. It is then placed against a background of dark shrubbery, which sets off the silvery foliage and bold habit. The plant is rarely found growing wild in the Atlantic States, having come from Eu. The Scotch thistle will probably never be a weed of the first importance in Amer. as is the Canada thistle. Nevertheless, care should be taken not to let it go to seed. A white-fld. Scotch thistle, var. alba, Hort. was advertised in Germany in 1894 as a horticultural novelty. Gt. 45, p. 107. 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 It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article.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

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