It seems just a bit flat and snapshotish to me. I mean, the flower is gorgeous, and the clarity is great! It's just the over-simple angle just feels kind of "blah". I'm not trying to insult you. Really really really really I'm not.
If you could get a similar shot from a different angle, try experimenting a bit, you could come up with some very nice stuff. Again, The clarity and color and subject area all awesome. Keep it up!