greater burdock or edible burdock flowers arctium lappa

butterfly thistle burdock arctium asteraceae background bloom blooming blossom botany brazil bud buttons closeup edible flora flower garden greater green herb herbal leaf macro medicinal natural outdoor pink plant purple spring weed wildnectar lilac violet insect harmony invertebrate lush romantic tranquil wing antennae fly foliage fragility lepidoptera meadow petal wildflower