abstract appearance background black colored coloring colors coloured colouring colours contours contrast contrasts cracks fissures flaws hard levels light lines natural pitted rock rock-face rockface rocky rough rugged shade shadows shape shapes stone strata stratum sunlight sunny sunshine surface surfaces texture textured textures veins wallpaper white bell-shaped biennials blooming blooms clump-forming colorful colourful cultivars decorative Digitalis display distinctive downward-facing erect exotics flora floral flower-spikes flowers foxglove garden garden-flowers garden-plants herbaceous horticultural horticulture mottled nature ornamental perennials petals plants potent-glycosides shaped tall-spikes toxic toxicity tubular unusual whorls apparition apparitional creature creepy dark disembodied eerie face facial features ghastly ghostly ghoul ghoulish halloween haunted illusory monster monstrous orange patterned patterns perspectives phantasm phantasmal phantom. presence purple round rubbery scary smile smiling specter spectral spectre spook spooky surfaced unearthly weird gorge layered layers pool ravine reflections rocks steep stones walls water block brown edged edges edging heavy large red shadow solid split strength variations