This is Kleines Herz modified by using a bunny ears decrease in row 5. This makes the pattern symmetrical.
The bunny ears decrease is useful in lace patterns when you have an odd number of stitches and want a central yarnover.
Bunny Ears demo: https://www.youtube.com/watch?v=q175Sugbr_k&feature=em-upload_owner
Shown with a cast-on count of 14 stitches.