blue-silver `mediterranean sea holly` plant - eryngium bourgatii

apiaceae apiales arboretum bloom blossom blue botanical botany bourgat bourgatii bract cactus castrense cone cuneifolium distel edeldistel eryngium eryngo europe flora florist flowers gallen garden giganteum holly integrifolium july leaf mediterranean moroccan morocco nature pinnatifidum plants pyrenees saint sea silver spiny summer swiss switzerland thistle thorn thorny yuccifolium