Photo: Eryngium giganteum 1.

Closeup of seedheads. Kew Garden, London, UK. Planted. 1995-08-01.
Eryngium giganteum M. Bieb. Engl.: sea holly, tall eryngo, giant sea holly. Deu.: Elfenbeindistel. Sven.: silvermartorn
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Photo: Eryngium giganteum 1.