Sea holly (Eryngium planum). This perennial herb belongs to the family Umbelliferae, which includes 200 species. It is indigenous to southern Europe.

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Sea holly (Eryngium planum). This perennial herb belongs to the family Umbelliferae, which includes 200 species. It is indigenous to southern Europe. Sea holly is usually grown ornamentally for its metallic, spiny folliage and blue thistle-like flowers.

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Photo credit: © FRANCOISE SAUZE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: botanical, botany, eryngium, european, flower, head, heads, herb, holly, immature, leaf, leaves, nature, ornamental, perennial, planet, planum, prickly, sea, spiny, thistle-, umbelliferae