bells blue bluebells coast Cornish cornwall England english flora flowers Great Britain Hyacinthoides May natural nature pendant spring wild bright close up close-up copy copy space copyspace flower fresh green light macro purple purple flower purple flowers summer summer flowers sun Arctium burdock burr burrs lesser minus plant Sussex bindweed Catalan catalonia Catalunya convolvulus petals Spain spanish trumpets weed white bloom blur flowering garden snowdrop snowdrops crosswort Cruciata laevipes plants yellow downland herb Lamiaceae thyme thymus Apulia chalk euphorbia Gargano hillside Italy Puglia rocks spurge stone stony verge