watercolor of sunflower parts seeds in husk and peeled with yellow petals on a white background

alternative art artwork background beggarticks bidens bloom bootjack botanical bur card care cernua closeup cover design drawing drawn element flora floral flower food fresh frondosa hand healthy herbal illustration isolate isolated leaf marigold medical natural nature oil petal plant print seed set silhouette spring stem summer sun sunflower threelobe tickseed white