small blue flowers of symphytum officinale, commonly known as quaker comfrey, cultivated comfrey, boneset, knitbone, consound or

aster background beautiful beauty bloom blooming blossom botanical garden gardens botany bright chrysanthemum closeup color colorful dahlia field flora floral flower flowers fresh grass green leaf macro meadow natural nature outdoor outdoors outside park petal petals pink plant purple red season spring time summer wild yellow small blue symphytum officinale commonly quaker comfrey cultivated boneset knitbone consound slippery-root surrounded sunny