Boraginaceae botany Cynoglossum officinale downland England english field flowers Great Britain green Hound's tongue meadow natural nature South Downs summer Sussex wild background bullrush bulrush cattail clover corndog faower grass lawn mountain mountains punks reedmace texture tile typha wallpaper yard Alpine Bistort arctic Bistorta vivipara Lofoten Islands norway norwegian Persicaria Polygonum Rhinanthus minor white yellow yellow rattle common spotted orchid Dactylorhiza fuschii flower grassland herbaceous orchidaceae pink plant spike Surrey blue color colorful coquelicot corn poppy fields flowering plant holiday holidays Natural landscape plants poppies poppy sky sky fresh summer day sunny day warm wildflower