art background black blue design floral flourish flower graphics leaf plant spring tree vector wallpaper yellow balance beige break butterfly delicate garden macro photography nature pattern peaceful reflective resting summer take white Bird's-nest England english flowering plant fungus Great Britain Herbaceous plant natural Neottia nidus-avis orchid pale Plant stem Surrey Terrestrial plant Africa Aizoaceae botanical botany bright clear common costal crystalline crystallinum diamond dots dry fig fleshy hot Iceplant icicle icy Mesembryanthemum reservoir shimmering silver south succulent sun thick warm