bell drum f clef font G clef gong harp light music music instrument musical piano pink purple rim saxophone sharp. flat tuba Tubular bells Vibraphone violet violin appearance bell-shaped biennials blooming blooms clump-forming colored colorful colors coloured colourful colours 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 shape shaped shapes tall-spikes textures toxic toxicity tubular unusual whorls