The first thing that strikes me about this photo is the gentle simplicity of it. The soft pastel-like colours give it a texture you can almost feel. The shadow underneath enhances the appearance of depth. The white background is most appropriate for the subject matter. The green border is a nice touch that matches the stem of the flower. All in all an excellent composition and I cant find anything I would change about it.
I would be incredibly surprised if I don't see this on a greeting card in 6 months time. My one and only ten for the challenge - as most saleable image.
It's a really lovely photo and it is lovely art. Since I do not have graphic design background I find myself less enamored of photos with vast white spaces. And my curiosity is aroused about whether it has crossed the threshold from photo to digital art when over 15% of the area of the 'photo' is art. This is certainly one of the more impactful images in this challenge, yet I would have strong reservations about asserting it is the best photo.