Eryngium bourgatii
 Eryngium bourgatii (Mediterranean sea holly Bourgati's eryngo) is a species of flowering plant in the family Apiaceae native to Morocco Lebanon Turkey France and Spain. It is a perennial herb growing to 15–45 cm (6–18 in) tall. The spherical blue flowerheads have spiny bracts.Numerous cultivars have been produced for garden use of which 'Oxford Blue' has gained the Royal Horticultural Society's Award of Garden Merit.