This is how you get really smooth, lovely satin stitches. Outline in split or chain stitch, fill in the area with chain or long & short stitches, and then do the satin stitch. The underlying stitches support the satin stitch and help it to lay smoothly.
Bullion knot stitch Di van Niekerk Bullion knot stitch, more prominent than a French knot, is most effective when you require a dense, rounded petal or stamen. Use one stitch for a single stamen or work them close together to form rosettes.