ETA: I can't find anything exactly like it. I'd try crocheting 2 circles in different colors and putting one on top of the other and see how close it is to what you want.
Hmmmm . . . that doesn't look like crochet to me. It looks knitted--particularly the garter stitch followed by a row of knit/purl (maybe?). I'm not sure what the inside of the flower is. No doubt it's some kind of increase.
The central motif on this crocheted flower looks similar to the one you posted (scroll down the photo A). You might try searching the Lionbrand site too. They've done lots of knit and crochet flowers over the past few years.
I agree, salmonmac. I think the middle looks like a bunch of stitches worked in an adjustable ring (magic circle). The outer edge looks like the chain left by crochet.