watercolor drawing of a cornflower , blue centaurea, flower painting. botanical

background basketflower beautiful bloom blossom blue bluets botanical botany bouquet bud centaurea centaureas centaury centory color cornflower decor decoration design drawing drawn eco element flora floral flower fresh garden graphic illustration isolated knapweeds loggerheads meadow natural nature organic painting petal plant romantic season sketch spring starthistles summer symbol vintage watercolor white