boreal Corallorhiza trifida coralroot orchid flowers green natural nature norway norwegian orchid plants saprophyte small summer tiny wild buttercups England english field Great Britain hedge landscape meadow ranunculus spring Sussex trees yellow autumn berries berry bright fall fruit London park red Sorbus tree whitebeam background bed bend canada flexible grass lake margin monocotyledon orange plant reeds stems thin water abundance abundant flower garden grow head lythrum many mauve phlox pink profusion purple bindweed coast coastal creeping dry dune flora hot low mediterranean parched sand shore white bank cumbria current evening flow river shadow sunlight view alligator bushes ducks marsh pond rural scenic wet chalk flowering plant fragrant orchid grassland Gymnadenia conopsea Hampshire