Aquilegia vulgaris 39william guinness39 is a striking variety of columbine from the shape of its flowers it is easy to see why it is sometimes dubbed 39granny39s bonnet39 although the black blooms with white corolla are certainly more fashionable than the average pensioner39s headwear33 indeed these unusual colours give the plant the alternative name of aquilegia 39magpie39 and you will certainly want to collect several of these hardy perennials which are attractiv