1. The tulips were like that in real life, but Photoshop long ago dispensed with that sort of issue.

2. The non Bayer colour filter array on the sensor cannot cope with those particular hues.
3. The Photoshop CS3 Raw converter you are using was developed many years ago and has not been optimised for the Fuji X-Trans sensor, which requires different demosaicing algorithms.
Decades of research and investment of billions by the manufacturers amount to nought with those two little words.


Oh well, as you probably know most of what you said goes totally over my head Mike!

All I know is that I am not happy with the result.
When you do have a moment perhaps you can illustrate the points you made by processing the image using the tools you have at your disposal.