Fishbone Stitch is used to fill leaves or petals. You can stitch them close to each other or further apart to create different effects.
Step 1. Insert the needle to come up at A, then do a straight stitch to B. Come up at slightly to the left of A at C.
Step 2. From C, make a diagonal stitch, right from center, at D.
Step 3. Come up at E, slightly to the right from A. Make a diagonal stitch, left from center, at F.
Step 4. Alternate sides until finished.