vertical seamless border frame of watercolor clover flowers and leaves shamrock trefoil quarterfoil. botanical drawing of the

art backdrop background banner beautiful beauty blossom border botanical card clover decoration decorative design elegant element fabric floral flower frame garden green greeting hand drawn happy birthday illustration invitation ireland isolated leaf meadow nature pattern petal pink plant ribbon seamless shamrock spring summer template textile texture trefoil trifolium watercolor wildflower wrapping vertical border flowers leaves shamrock trefoil quarterfoil drawing clover birhday card st patrick day