Photo: Eryngium agavifolium 0.

Leaf rosette. Yep, it's agavifolium alright. Tirups örtagård, Lund, Sweden. Planted. 2005-06-08.

Eryngium agavifolium Griseb.
Deu.: Agavenblättriger Mannstreu.
Sven.: agavemartorn