In article ,
Kay writes:
|
| It comes down to function, doesn't it? The purpose of the flowers is to
| attract pollinators. Scent is to attract particularly moths, so you go
| for colours that show up well in the half light, hence all those even
| scented white or pale mauve flowers. Scent in the day time I think is
| for bees and butterflies, but again they seem to see light colours best,
| or things in the pink/blue spectrum
|
| Birds go for bright reds, but they don't need the scent. So really
| bright red flowers are not often scented.
|
| Of course there are exceptions.

That is in the temperate zones, where the pollinators need to
compete for the flowers as much as the flowers for the pollinators.
In the tropics, the onus is much more on the flowers, so you get
more dual-mode ones. But your general rules still apply, just a
bit less so.


Regards,
Nick Maclaren.