Klehm's Song Sparrow Farm and Nursery--Clematis--My Angel® ('Engelina') PPAF. Charming flowers are yellow on the inside and brushed with plum-red on the outside. Clematis My Angel® has plump, round buds that open to nodding flowers over a long bloom period. Each bloom has four showy tepals and is accented with a center of dark plum anthers. Flowers give way to fluffy silvery, seed heads.