blossom blue buttercup color colorful flower grass green iris mountains nature plant purple spring summer wetland yellow Asian Asteraceae bloom blooming blooms clusters curled curling distinctive flower-heads flowering-plant flowers herbaceous-species ironweed lobes medicinal-plant overlapping-bracts perennial-plant petal-cluster petal-strands petals shrub stiff-upright-plant vernonia wildflower beauty creation daisy dez pain dietes grandiflora fairy gardening lily love outdoors pink star vignette white xymonau banks canal England english Great Britain Lythraceae Lythrum salicaria peaceful plants Purple loosestrife river Sussex tranquil trees vegetation water waterway wild bunch buquet creme cutout fresh garden gift isolated meadow petal shade bell close-up Digitalis finger foxglove macro spike spire stamen stem stone tall tip