The darker patches/discoloration is where the light is most often the most intense (Directly under 3 NW...).Simply enough ...
No need of special botanic/biology knowledge ...
They get more blue/purple than green...
To our eyes ...
Meaning ....
?
They 've started to reflect back,more blue/violet wls,from incident light ....
Way more than green/yellow ones ...
Replacing? As in taking on the role of absorbing different WLs?( ehem .......
Which in turn ?
Might be "replacing ",the reflected ones ...?
..Just might ? )
That's an easy q, good job broLooks tasty!
Always enjoy listening to something I haven't heard before... Especially when it has a good beat... Thank you for my energy this morning...And if it turns out to be more .." couchy " .....
Well ...In that case :