Silybum marianum

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Standard Cyclopedia of Horticulture

Silybum marianum, Gaertn. (Carduus Marianus, Linn. Mariana lactea, Groves). St. Mary's, Blessed, or Holy Thistle. Annual or biennial, shining: st. 1-4 ft. high, grooved not winged: lvs. large, with strong spines: heads 1-2 in. diam.; involucral bracts leathery with a spine 1/2 – 3/4 in. long, the outermost mucronate: receptacle fleshy: fls. rose-purple: achenes transversely wrinkled or smooth, black or gray. S. Eu., N. Afr., and Asia, also intro. in many places, including N. Amer.; naturalized on the Pacific coast. 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 It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article.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:Silybum marianum. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
• Silybum marianum QR Code (Size 50, 100, 200, 500)